expand the 457 using exponents
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457=4*100+50*10+7*1
=4*10^2+50*10^1+7*10^0
=4*10^2+50*10^1+7*10^0
Answered by
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hi your answer is
457=4*100+50*10+7*1 =4*10^2+50*10^1+7*10^0
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