jayjay0 jayjay0

11-09-2014
Mathematics

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how could you estimate to get approximate answer for this expression 12.3x {(2 x 1.7)+6}-2 cubed

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SecretIndex SecretIndex

11-09-2014

you would first do 2*2 inside the parentheses to get 12.3 time {4+6}-2 cubed
That is 12.3x10, which is 123. 2 cubed is 8, and 123-8 is 115.

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