Grandma Mary is four times the age of her granddaughter Jane. Ten years ago Jane was 1/10 the age of her grandmother. What is the age of Jane? Group of answer choices 10 years old 60 years old 30 years old 15 years old 1

Q: In astronomy, distances are often expressed in light-years. One light-year is the distance traveled…

A: 1 light year is the distance traveled by light in one year. 1 year = 365.25 days            = (…

Q: The mass of an object is 5.68 x 10-28 kg. What is the mass in milligrams? Report your answer in…

A: Mass of the object is m =5.68×10-28kg

Q: Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such…

A: Given: Speed v=4cm/year

Q: A boat takes 3.00 hourshours to travel 50.0 kmkm down a river, then 6.10 hourshours to return. How…

A:

Q: How many times longer than the mean life of an extremely unstable atomic nucleus is the lifetime of…

A: Given that, the life time of unstable atomic nucleus is in the order of 10 s. (In actual case, it is…

Q: What facts might a scientist use in estimating Earth's age?

A: The studies anticipate the length of time it will take for the earth to drop to its current…

Q: A gopher has dug holes in opposite corners of a rectangular yard. If the yard is 9 meters by 12…

A: Dimensions of yard are  and Find:Distance traveled by the gopher to reach from one hole to another.

Q: How would you linearize the given population vs days plot? Infected population vs days in olde town…

A:

Q: The mass of an electron is (9.11)(10-31) kilogram, and the mass of a proton is (1.67)(10-27)…

A: Mass of the electron, me=9.11×10-31 kg Mass of the proton, mp=1.67×10-27 kg

Q: 0405 What is to the proper number of significant figures? 0.76

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Q: tourist purchases a car in England and ships it home to the United States. The car sticker…

A: a) We know that the expression to find the used gallons in the US is given as  U= Xr where  U is the…

Q: You start out by driving 293 miles north in 4 hours and 58 minutes, and then you stop and park for a…

A:

Q: Calculate how many litters of gasoline are used in the USA in one day? Assume that there are two…

A:

Q: The number of square centimeters in 4.00 square meters is O 1) 4000 O 2) 400 O 3) 40 O 4) 40000

A: Given  4 m2

Q: he scale of an aerial photograph is 1:15,000. In the photo you measure the length of a bridge to be…

A: Given:-Scale Length of the photograph To determine:- The length of the bridge in real life.

Q: chimpanzee from location A will have an average lifespan was 27 ± 4 years and a chimpanzee from…

A: A1) The lifespan of chimpanzee on location A ranges from 27-4 to 27+4 years i.e. 23 to 31 years.…

Q: 100 ,000m 10 years = 25 minutes = nm(nanometer) Sec(Seconds) Years %3D

A: Required:  100,000 m into nanometer 10 years into seconds 25 minutes into years

Q: An object with a mass of M and a volume of V has a density of ρ. If the density is doubled without…

A:

Q: Write the exponential form of the following: 5. 4670000000 6. 0.000893 7. 344500 8. 230000

A:

Q: A unit called the beard-second is the length the average beard grows in 1 second. A beard-second is…

A: Given 1 beard-second = 10×10-9 m

Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 101.0 °F at 12:05 P.M. If the temperature…

A: Temperature was 97.0 °F at 8:05 A.M.  And 101.0 °F at 12:05 P.M. Temperature at 3:35 P.M. = ?

Q: A population of insects increases at a rate 240 + 10t + 0.9t² insects per day (t in days). Find the…

A: We are given the rate :-  R = 240 + 10t + 0.9t2  Initial number at t = 0 is 80 We will now…

Q: The doctor finally figures out wha is wrong with you and prescribes a medicine that will return you…

A:

Q: magine that one of your relatives has an 84 square meter lot. What is this area in square…

A: 1 m = 100 cm Area of the rectangle is the product of length and width.

Q: A hot air balloon rose from a height of 10 m to 40 m in 3 minutes. Answer this question: What was…

A: Givenheight changes from 10 m to 40 m in 3 minutesthusrate =40 m-10 m3 min        =10 m/min

Q: set up an equation, and solve the problem. A mallard duck can migrate 500 miles in the same time a…

A: Say time taken is T. Say speed of mallard duck and heron are u miles per hour and v miles per hour.…

Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 102.0 °F at 12:05 P.M. If the temperature…

A: As the patient’s temperature change with respect to elapsed time was linear throughout the day so…

Q: Jamie used a microscope to measure the diameter of a hair. She found that the diameter of the hair…

A: Given data:  Diameter of the hair (d) = 0.000072 m Required: Diameter of the hair in scientific…

Q: , distances are often expressed in light-years. One light-year is the distance traveled by light in…

A: Given: Distance to a star is 5.1 light-year Find: Distance to star in meters.

Q: Rour 3 Sig Figur

A: Number- 0.0060703 Place in scientific notation- 6.0703×10-3 Round to 3 significant figures- 0.00607

Q: A person measures the velocity of a biker riding in a straight line along a sidewalk using a…

A: Formula used: Area of the square A =side2 Velocity = displacement /time The time taken by the biker…

Q: In astronomy, distances are often expressed in light-years. One light-year is the distance traveled…

A: Given: Distance to a star is 5.5 light-year There are 365.25 days in one year. To find the given…

Q: Determine the force P required to maintain the 165-kg engine in the position for which 0 = 36°. The…

A: Given data: The mass m=165 kg The angle θ=36°

Q: How many possible microstates are there for 6 molecules to fit in 6 boxes, when 4 molecules are…

A:

Q: The record length for a blue whale is a female killed in Antarctica that was 106 feet in length. How…

A: Given: The length of the blue whale is 106 feet.  To determine: The length of the blue whale in…