Question

What is 972 written in standard form?

A. 0.0972 x 100
B. 972 x 101
C. 9.72 x 102
D. 9.72 x 102
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Answer 1

9.72 × 10²

Explanation:

A number written in standard form is of the form

a ×
`10^(n)` ( where 1 ≤ a < 10 and n is an integer )

We require to write the number between 1 and 10 , that is

9.72 ×
`10^(n)`

To get the number back to its true value we require to multiply by 100, then

972 = 9.72 × 100 = 9.72 × 10² ← in standard form

Answer 2

9*100+7*10+2*1

Explanation:

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