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OpenStudy (anonymous):
100-9²+2
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jigglypuff314 (jigglypuff314):
9^2 = 9 * 9 = 81 so 100 - 81 + 2
OpenStudy (anonymous):
21~
OpenStudy (calculusxy):
When we have addition and subtraction together, we do the operation that is from the left to the right. Since subtraction is on the left, we know that we need to subtract 100-81=19. Then do the addition of 19+2=21.
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