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Mathematics 10 Online
OpenStudy (anonymous):

Which number is greater than 5.12 × 10 to the 21st power? a. 2.9 x 10 to the 20th power b. 4.1 x 10 to the 21st power c. 5.36 x 10 to the 20th power d. 6.4 x 10 to the 21st power

OpenStudy (anonymous):

which ones cannot be greater than 5.12 × 10 to the 21st power is a good place to start

OpenStudy (anonymous):

options with 20th power can be ruled out

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