Question

A wealthy entrepreneur has a fortune worth £2 500 000 000. What power of 10 should this number be to when written in scientific notation? 2 500 000 000 = 2.5 × 10? Enter only the number of the power. For example, if you thought the answer was 10 to the power of 4, you would enter the number 4 in the box.

Answer 1

Answer:

9.

Step-by-step explanation:

Count the number of digits after the first digit,

This is 9.