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iren2701 [21]
2 years ago
6

Solve: 18/9- root(2,81) -Image below-

Mathematics
2 answers:
balu736 [363]2 years ago
7 0

Answer:

-7

Step-by-step explanation:

(18 \div 9) -  \sqrt{81 }  \\  \\ 2 - 9 \\  - 7

Lubov Fominskaja [6]2 years ago
3 0

With the order of operations, you must do the division (18/9) first.  Then do the square root.  Then do the subtraction.

\begin{aligned}\dfrac{18}{9} - \sqrt{81} &= 2-\sqrt{81}\\[0.5em]&=2-9\\[0.5em]&=-7\end{aligned}

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