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?
answer 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.

The calculator will show an incorrect value. She should have added 18 and 2 and then entered C 20 * 15 – 7 into the calculator.

Step-by-step explanation:

The calculator is designed or programmed to follow the order binding on mathematical signs which includes brackets, multiplication, division, addition and subtraction. To ensure accurate results from the calculator, these signs must be properly typed on the calculator.

Looking at what Roxy did in using a calculator to evaluate (18 + 2) × (49 – 34) – 63 ÷ 9 , 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 recognise the product sign first before the subtraction sign.

17   x 256=4352

sorry if this is wrong, i'm new.

step-by-step explanation: