Which numbers are perfect squares? Determine their square roots. 5 20 16 49 100 1000

Please help

Only 16

Step-by-step explanation:

The square roots of 5 & 20 are long decimals.

The square root of 49 is 7 but 7 has a decimal square root.

The square root of 16 is 4, 4 is 2 squared.

So 16 is a perfect square.

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

christopher is 272,195 year old

step-by-step explanation: