Question

x power minus 3 is equal to 64​

Answer 1

See the pinned image for your answer...

Answer 2

Answer:

${x}^{ - 3} = 64 \\ 64 \: can \: be \: written \: as \: 4 \times 4 \times 4 = {4}^{3} \\ {x}^{ - 3} = {4}^{3} \\ \frac{1}{ {x}^{ 3} } = {4}^{3} \\ by \: comparing \: both \: sides \: x = {4}^{ - 1} = \frac{1}{4} \\ hope \: it \: helps \: u \::)$