Question

The circumference of the Earth is approximately 25,000 miles at the equator. What is the distance in scientific notation?

Answer 1

2.5 X 10^4

Answer 2

@iGreen

Answer 3

@gorv

Answer 4

@Patrickweewoos

Answer 5

general form for scientific notation a * 10^ n
a > 0 and a< 10 n is an integer
if you move the decimal left you are dividing you you multiply to keep the same value
if you move the decimal right you are multiplying so you divide to keep the same value
n is the number of places you move the decimal point

Answer 6

Thank yoiu

Answer 7

example 34.6 = 3.46 * 10^ 1
example .00257 = 2.57 * 10^-3