Asked by mychelle

how many 7-digit phone numbers are possible if the first digit must be non-zero? answer in scientific notation.

14 years ago

Answered by Damon

9*10*10*10*10*10*10
9*10^6

14 years ago

Answered by Anonymous

Write (1.8x10^-12) (2.1x10^-3)

11 years ago

Answered by Samantha

Write (1.8x10^-12) (2.1x10^-3) in scientific notation

11 years ago

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