Question

what will be the square of 0.000625 and how ?

Answer 1

Answer:

$\boxed{\text{Answer = 0.000000390625}}$

Step-by-step explanation:

$0.000625^2 = 0.000625 \text{ x } 0.000625\\\\\text{When we multiply two decimal numbers, decimals of the product}(D_p)\\ \text{ = sum of number of decimals of the numbers being multiplied } (D_1 + D_2)\\\\\text{In this case: } D_p = 6 + 6 = 12\\\\\boxed{D_p = 12}\\\\\text{Now, we multiply 625 x 625 = 390625}\\\\\text{To get 12 Decimal Places, product must be = 0.000000390625}\\\\\boxed{\text{Answer = 0.000000390625}}$

Hope it helps!