Question

The moon is about 240,000 miles from Earth. What is this distance written as a whole number multiplied by a power of ten?

Answer 1

$240,000=24*10^4$

Answer 2

240,000 could be written as:

24 x 10,000 = 240,000  and 10,000 = 10⁴

then 240,000 = 24 x 10⁴