Estimating Quantities using Exponents

Estimate using a single digit raised to a power of ten.

721,536

Estimate using a single digit times a power of ten.

1,894,456

Estimate using a single digit times a power of ten.

^234,998,999

Estimate by using a single digit times a power of ten.

0.0000578

Estimate using a single digit times a power of ten.

0.0089

In 2016 the world population was about 7,492,000,000. The population of England was about 55,270,000. Approximately how many times greater was the population of the world than the population of England?

Mathematical Equivalence

ON

The diameter of a grain of sand measures about 0.06 mm. The diameter of a grain of salt is 0.03 mm. About how many times larger is the diameter of a grain of sand than a grain of salt? Express your answer as a single digit times a power of ten.

Mathematical Equivalence

ON