Question 79 (b)

Identify the greater number, in each of the following.
$2^{9} o r 9^{2}$

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Solution

We have, $2^{9} = 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 = 512$
and $9^{2} = 9 \times 9 = 81$
So, $2^{9} > 9^{2}$

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