Question

-2·4²
question 2
1 pts
40÷4−(5−3)
question 3
1 pts
2·7−10÷(9−4)

Explanation:

Step1: Evaluate exponent first

$-2 \cdot 4^2 = -2 \cdot 16$

Step2: Perform multiplication

$-2 \cdot 16 = -32$

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Step1: Solve parentheses first

$40 \div 4 - (5-3) = 40 \div 4 - 2$

Step2: Do division next

$40 \div 4 - 2 = 10 - 2$

Step3: Perform subtraction

$10 - 2 = 8$

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Step1: Solve parentheses first

$2 \cdot 7 - 10 \div (9-4) = 2 \cdot 7 - 10 \div 5$

Step2: Do multiplication and division

$2 \cdot 7 - 10 \div 5 = 14 - 2$

Step3: Perform subtraction

$14 - 2 = 12$

Answer:

• First problem: $-32$
• Question 2: $8$
• Question 3: $12$