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You want the 'square root (625) = 25 .

So 25 x 25 = 25^2 = 625

Without a calculate, we note that '625' ends in '5'.; so it will divide by '5'

Hence

5)625=

5)125= ( continue dividing by '5' to reach an answer of '1' ).

5)25=

5)5 = 1

We note that we have divided four times over. 5 x 5 x 5 x 5

This equals 25 x 25 .

Hence the number 25 multiplied to itself gives an aanswer of '625'.

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lenpollock

Lvl 16
1y ago

What else can I help you with?