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cluponka [151]
4 years ago
5

Which step should Richard perform last. WILL MARK BRAINLIEST PLZ HELP. ASAP.

Mathematics
2 answers:
Rashid [163]4 years ago
8 0

Answer:

A

Step-by-step explanation:

9² + 2[(5+2)² - 4]

81 + 2[(7)² - 4]

81 + 2[49 - 4]

81 + 2(45)

81 + 90

171

124

ozzi4 years ago
5 0

Answer:

81+90

Step-by-step explanation:

9^2 + 2[(5+2)^2 -4]

PEMDAS says parentheses first , working inside out

9^2 + 2[(7)^2 -4]

PEMDAS says parentheses first, doe the exponents inside the parentheses

9^2 + 2[49 -4]

Then the subtraction inside the parentheses

9^2 + 2[45]

Then Exponents

81 +2[45]

Then Multiplication

81+90

Finally add

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Drupady [299]

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Step-by-step explanation:

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3 years ago
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3 years ago
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Answer:

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Step-by-step explanation:

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