At a particular instant in time, the Earth is judged to be92,955,000 miles from the Sun. What is the distance inkilometers to four significant figures? (See the back insidecover for the conversion factor).(a) 5763 * 104 km (b) 1.496 * 108 km (c) 1.49596 * 108 km(d) 1.483 * 104 km (e) 57,759,000 km

Q: Q8. Convert 76.8 cm to m. (a) 0.0768 m (c) 0.768 m Q9. Convert 2855 mg to kg. (a) 2.855 x 10³ kg (b)…

A: Q8.  1  cm =  0.01 m

Q: 79. Convert 2.255 * 1010 g to each unit.(a) kg (b) Mg(c) mg (d) metric tons (1 metric ton = 1000 kg)

A: While converting from one unit to another, a conversion factor is to be multiplied.

Q: The volume of water used for crop irrigation is measured in acre-feet, where 1 acre-foot is the…

A: (a)  Since 1 acre = 43560 ft21 acre-foot = 1 acre × 1 foot So, 1 acre-foot =  43560 ft3So, cubic ft…

Q: 16 Multiply these numbers, using the correct number of significant figures in your answer: (a)…

A: Significant figures (also known as significant digits) refer to the number of digits in a number…

Q: 132. The following statements are all true. (a) Jessica's house is 5 km from the grocery store. (b)…

A: Given: (a) Jessica’s house is 5 km from the grocery store. (b)Jessica’s house is 4.73 km from the…

Q: Which of the following measurements corresponds to the buret shown in Figure PSS.3 having an…

A: The measurement which corresponds to the burette given in Figure PSS.3 having an uncertainty of…

Q: Q7. Perform this calculation to the correct number of significant figures: 78.222 x (12.02 - 11.52)…

A: Question (7) Given that 78.222×12.02-11.52 To solve above problem we must solve first brackets then…

Q: How many significant figures are in each of the followingmeasurements? (a) 3.549 g, (b) 2.3 * 104…

A: All non zero digits are significant in nature So 3.549 g has 4 significant figure.

Q: A 25.5 g sample of a metal was placed into water in a gradu- ated cylinder. The metal sank to the…

A: The given data contains, mass = 25.5 g. volume ( initial ) = 15.7 ml. volume ( final ) = 25.3 ml

Q: How many significant figures are contained in each of the following measurements?(a) 53 cm(b) 2.05 ×…

A: (a)

Q: Round off each of the following numbers to two significant figures:(a) 517(b) 86.3(c) 6.382 × 103(d)…

A: There are few rules to determine number of significant figures: a) Non-zero digits are always…

Q: PART 2 Density of Gravel 0010 The mass of the empty weighing boat was measured. Then the weighing…

A: Density of a substance is defined as mass per unit volume. It is denoted as d or ρ. S.I unit of…

Q: Determine whether the zeros in each number are significant(A) 2050(B) 9.00 x 10^2(C) 0.0530(D)…

A: Dear student, you have not mentioned the parts for which you need answer. I am answering the first…

Q: The area of a telescope lens is 6.930 × 10' mm². (a) What is the area in square feet (ft")? (Answer…

A: here we are required to find  the area of telescope lens in the unit of square feet

Q: (a) A cube of osmium metal 1.500 cm on a side has a mass of76.31 g at 25 °C. What is its density in…

A: (a) The given data, L = 1.5 cm m = 76.31 g V = L3 = (1.5)3 = 3.375 cm3 D = mass/ V = 76.31/3.375 =…

Q: At sea, distances are measured in nautical miles and speeds are expressed in knots.  (1 nautical…

A: 1 nautical mile = 1.151 miles

Q: 21. Solve the following problems, stating answers to the proper number of significant figures: (a)…

A: Significant figure calculation- 1-Zero comes after decimal point and number is more than 1 then 0…

Q: 14. A student who is driving home for the holidays averages 70.5 miles per hour. How many miles will…

A: Speed = 70 miles per hour Time Travelled = 8.73 hours

Q: Carry out the following operations and express the answerwith the appropriate number of significant…

A: Significant figures in chemistry are the values which are used for resolving the measurements. These…

Q: The world’s oceans have a combined volume of 3.204 x 10^8 miles^3. (A) If the average density of…

A: In general. density can be defined as mass of a substance per unit volume of that substance.

Q: Calculate these masses. (a) What is the mass of 6.00 cm 3 of sodium, density = 0.97 g/cm 3 ? (b)…

A: Step : 1           Calculate these masses.          (a) What is the mass of 6.00 cm 3 of sodium,…

Q: (1) (a)Which is farther? Group of answer choices 17 cm 0.01 m 3 in   (b)  What temp in Fahrenheit is…

A: Distance - It is a measurement of how far objects are.  Temperature is measured in three scales.…

Q: A gasoline station in Manila, Philippines, charges 38.46 pesos per liter f unleaded gasoline at a…

A: 1 L unleaded petrol costs 38.46 pesos(PHP). 1 USD is equivalent to 47.15 PHP. Capacity of the tank…

Q: ) Round off the following measurement to three significant digits: 14,546 cm.(a) 145 cm (b) 146…

A: The objective of the question is to round off the given measurement, 14,546 cm, to three significant…