By what number should 2 raised to -3 be miltiplied so that the product is 16?

Asked by jvilas100684 | 3rd Sep, 2018, 01:12: AM

Expert Answer:

begin mathsize 16px style By space what space number space should space 2 space raised space to space minus 3 space be space miltiplied space so space that space the space product space is space 16 ?
Let space straight a space be space the space required space number.
2 to the power of negative 3 end exponent space cross times space straight a space equals space 16
rightwards double arrow straight a space equals space 16 over 2 to the power of negative 3 end exponent space equals space 16 space divided by space 2 to the power of negative 3 end exponent space equals space 16 space divided by 1 over 2 cubed space equals space 16 space cross times space 2 cubed space space equals space 128 end style

Answered by Yasmeen Khan | 3rd Sep, 2018, 11:36: AM

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