Question

10. Alex is writing a number in scientific

notation. The number is greater than one

million and less than ten million. Which

number will Alex use as the exponent

of 10?

A 8

B 7

C 6

D 5

Answer 1

C. 6

Explanation:

Since the number is greater than one million and less than ten million, the number is seven digit which ranges from two million to nine million

Therefore, Alex will use 6 as the exponent