Question

find the value of 15625 sq. and hence evaluate 156.25 sq. + 1.5625 sq.

Answer 1

√15625

5 15625
5 3125
5 625
5 125
5 25
5 5

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√15625= √ 5×5×5×5×5×5

√15625= 5×5×5

√15625= 125
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√156.25 + √1.5625

√15625/100 + √15625/10000

125/10 + 125/100

12.5+ 1.25

13.75

Answer 2

answer ✌

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