Question

Evaluate 80 × a to the power of -2 for a = 4.

20

5

one-twentieth

one-fifth

Answer 1

5

Answer 2

plug in 4 for a ..... so 80 times 4 ^ -2 using order of operations ....you would do exponents first .... so 4 ^-2 is what

Answer 3

80 * 4^-2

80 * 1/4^2 = 5

Answer 4

\[80 \times a ^{-2} =80/a ^{2}=80/4^{2}\]

Answer 5

please do not give answers ty and have a good day