Which statement explains why 49 is a perfect square?

Perfect square is a obtained when a number is multiplied to itself. that is , then , y² is a perfect square. For 49, we can write 49 as , Thus, 49 is a perfect square.

It’s the product of 7 x 7. The square root of 49 is 7

Explanation:

It’s the product of 7 x 7. The square root of 49 is 7

muscle endurance

explanation:

i can do 50 in a row ( but i get so tired after that)

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.