noeltan12031
24.09.2020 •
Mathematics
Pretest: Introduction to Economics Select the correct answer from the drop-down menu. their marginal People keep spending additional units of a particular resource on a want until their marginal benefit is _ their marginal cost. decreasing with greater than less than not affected by
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Ответ:
- 72 + 81 = 9 * 17:-
Find the GCF of 72 and 81 by first writing out the prime factors:-
72 = 2*2*2*3*3
81 = 3*3*3
Picking out common factors we get GCF = 3*3 = 9
So 72 + 81 = 9(8 + 9) (using the distributive law)
= 9 * 17