Question

What number do you multiply by itself to get 6.25???

Answer 1

2.5

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

Answer 2

2.5

Explanation:

The square root of 6.25 is 2.5.

Becuase 2.5 x 2.5 = 6.25

Hope this helps!