what would the correct expression be for a number which is twice as big as the number obtained after p has been divided by 3
First, divide p by 3 we get, p3....(i){p\over3}....(i)3p....(i).
Next, multiply equation (i)(i)(i) by 2. So, we get, p3×2=2p3......(ii){p\over3}\times 2={2p\over3}......(ii)3p×2=32p......(ii)
Therefore, the correct expression is 2p3{2p\over3}32p.
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