Question

Three rock samples have masses of 74.05 grams, 9.72 grams, and 45.49 grams. A scientist estimates the tatal mass of the samples by rounding each mass to the nearest whole number. Which lists the number will he add?
A. 75,10, and 46

B. 74.1, 9.7, and 45.5

C. 74, 10, and 45

D. 75, 10, and 50

Answer 1

The lists he would add would be C because 74.05 rounds to 74, 9.72 rounds to 10 and 45.49 rounds to 45 because it is closer to 45 than 46.

Answer 2

The Answer Is C) because 74.05 rounds to 74, 9.72 rounds to 10 and 45.49 rounds to 45 because it is closer to 45 than 46.