Question

Which statement explains why 49 is a perfect square?

Answer 1

Answer:

Option (d) is correct.

49 is equal to 7 times 7.

Step-by-step explanation:

Given : Statement "why 49 is a perfect square."

We have to choose a correct statement out of given options that defines correctly why 49 is a perfect square.

Perfect square is a obtained when a number is multiplied to itself.

that is $y\times y=y^2$, then , y² is a perfect square.

For 49, we can write 49 as $7\times 7$,

Thus, 49 is a perfect square.

Thus, 49 is equal to 7 times 7.

Answer 2

ANSWER

$\boxed {D. \: \: 49 \: is \: \: equal \: \: to \: \: 7 \: \: times \: \: 7.}$


EXPLANATION



A perfect square is obtained by multiplying a number by itself.


That is ,

${x}^{2} = x \times x$


The given number is 49.

This number can be rewritten as,

$49 = {7}^{2} = 7 \times 7$


Hence the correct answer is D.