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Mathematics, 25.11.2019 23:31 KrishnaBalaram1235
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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Roxy used a calculator to evaluate (18 + 2) × (49 – 34) – 63 ÷ 9 by entering c 18 + 2 * 15 – 7 into...
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