wiggins1159
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Roxy used a calculator to evaluate (18 + 2) × (49 – 34) – 63 ÷ 9 by entering C 18 + 2 * 15 – 7 into a calculator. Which statement is true?

The calculator will show the correct value because 2 should be multiplied by 15 first.
The calculator will show the correct value because 7 should be subtracted from 18 first.
The calculator will show an incorrect value. She should have added 18 and 2 and then entered C 20 * 15 – 7 into the calculator.
The calculator will show an incorrect value. She should have subtracted 7 from 15 and then entered C 18 + 2 * 8 into the calculator.

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DᴀʀᴋPᴀʀᴀᴅᴏx

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The Correct choice is C

The calculator will show an incorrect value, because she should have added 18 and 2 then entered 20 * 15 - 7 into the calculator.

I hope that explains it since we have to solve what's given in the bracket first.

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