If 9801 is the square of 99, what will be the square of 9.9?

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asked Nov 19, 2021 39.1k views

2 votes

If 9801 is the square of 99, what will be the square of 9.9?

Mathematics
high-school

Alex Turpin asked

by Alex Turpin

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1 Answer

2 votes

Answer:

98.01

Explanation:

$[9.9]^2\\=[(99)/(10)]^2\\ =(9801)/(100)\\ =98.01$

Jaesung answered Nov 25, 2021

by Jaesung

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