Difference between revisions of "2021 April MIMC 10 Problems/Problem 1"
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<math>\textbf{(A)} ~-155 \qquad\textbf{(B)} ~-153 \qquad\textbf{(C)} ~7 \qquad\textbf{(D)} ~9 \qquad\textbf{(E)} ~171</math> | <math>\textbf{(A)} ~-155 \qquad\textbf{(B)} ~-153 \qquad\textbf{(C)} ~7 \qquad\textbf{(D)} ~9 \qquad\textbf{(E)} ~171</math> | ||
+ | ==Solution== | ||
By order of operations, we get that the expression is equal to <math>8-(-81)-81+1=8+81-81+1=\fbox{\textbf{(B)} 9}</math>. | By order of operations, we get that the expression is equal to <math>8-(-81)-81+1=8+81-81+1=\fbox{\textbf{(B)} 9}</math>. | ||
+ | |||
+ | ??? Answer choice D is 9 |
Latest revision as of 17:43, 1 November 2023
What is the sum of ?
Solution
By order of operations, we get that the expression is equal to .
??? Answer choice D is 9