Question

Mr. Loya stated that the circumference of Earth at the equator is 24,902.4 miles. Which expression represents this number in scientific notation?

Answer 1

2.49024 * 10^4

Explanation:

There are 5 digits before the decimal point in thegiven value, so the exponent of 10 is 4.

Scientific notation is:

N.NN... * 10*n

where N.NN... has a value greater or equal to 1 and less than 10.