Question

What number, when multiplied by itself, will become 6.25 ?
pls tell

Answer 1

the answer is 2.5

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Answer 2

Step-by-step explanation:

6.25 = 625/100

625/100 = (5×5×5×5)/(2×2×5×5)

{prime factorisation}

Pairing of common numbers =

{(5×5) × (5×5)}/{(2×2) × (5×5)}

{taking a single no. from the pairs}

= {5 × 5}/{2 × 5}

= 25/10

= 2.5