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Exponents and Powers — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSExponents and Powers2 Marks
Question
Find a single machine that will do the same job as the given hook-up. $a(x2^3)$ machine followed by $(x2^{-2})$ machine.
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Answer

$(x2^3)$ machine vfollowed by $(x2^{-2})$ machine.
So, it produced $2\times2\times2\times\frac{1}{2}\times\frac{1}{2}=2^1$
Hence, $(x2^1)$ single machine can do the same job as the given hook-up.

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