Simplify the expression.   (13 − 6)7 [(3 + 4)2]2   the simplified expression is

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Step-by-step explanation:

(13−6)(7)(3+4)(2)(2)

=1372

D. 1800

Step-by-step explanation:

An overestimate is pretty self-explanatory, an amount bigger than what it's supposed to be.

Multiplying 22 * 68

1496

Rounding it will give you 1500, but the overestimate would be 1800. Because its a respected amount that is close to the answer of 22 * 68.