Irements are multiplied or divided Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits. g 78.084 mL x 21. mL = g mol 7.8084 x 1.45 L ==== mol L g 921.94 g36.20 mL = mL

An aquarium has a rectangular cross section that is 47.8 in. by 12.5 in.; it is 19.5 in. high. How many U.S gallons does the aquarium contain? One U.S. gallon equals exactly 231 in3.

For each of the following numbers, by how many places must the decimal point be moved to express the number in standard scientific notation? In each case, will the exponent be positive, negative, or zero? 55,651 0.000008991 2.04 883,541 0.09814

Although the preferred SI unit of area is the square meter, land is often measured in the metric system in hectares (ha). One hectare is equal to 10,000 m2. In the English system, land is often measured in acres (1 acre = 160 rod2). Use the exact conversions and those given in Exercise 47 to calculate the following. a. 1 ha = __________ km2 b. The area of a 5.5-acre plot of land in hectares, square meters, and square kilometers c. A lot with dimensions 120 ft by 75 ft is to be sold for 6500. What is the price per acre? What is the price per hectare?

What is the difference between reporting the quantity nine inches as 9 inches and 9.00 inches?

Which weighs more, 4.25 g of gold or 425 mg of gold?

Do the indicated arithmetic and give the answer to the correct number of significant figures. I.   II. 0.71 + 92.2 III. 934 × 0.00435 + 107 IV. (847.89 - 847.73) + 14673

||| AND MATTER Counting significant digits when measurements are multiplied o... Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits. 180.2 g 37.7 mL 0.93 mol L 20.94 x 4.625 L mol L x 25. L = = = A ml mol mol 0 10 X 4

Please don't provide handwritten solution ....

# Page nanging units: Conversion Factor 3 E D 20 F3 $ If a car travels a distance of 241 km, what is that distance in miles? 4 888 R F % 5 T F5 G 6 MacBook Air F6 & Y H & 7 ◄◄ F7 U J * 00 8 | DII F8 35 K > of 63 ( 9 DD F9 O L ) O F10 P ;