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Mathematics 16 Online
OpenStudy (anonymous):

Which placement of grouping symbols in the expression gives it a value of 22? 3 • 4 – 2 + 5 +7

OpenStudy (anonymous):

@beckyg111

OpenStudy (anonymous):

pemdas?

OpenStudy (♪chibiterasu):

It equals 22 already so just place a parenthesis in a way where it won't affect the solution.

OpenStudy (anonymous):

?

OpenStudy (anonymous):

it should be put exactly like that because the answer is 22 anyways so

OpenStudy (anonymous):

3 • [4 – (2 + 5) + 7] B. (3 • 4) – [2 + (5 + 7)] C. [(3 • 4) – 2] + (5 + 7) D. 3 • (4 – 2) + (5 + 7)

OpenStudy (♪chibiterasu):

Like for example if you had 6 • 4 + 2, it wouldn't change if it were (6 • 4) + 2.

OpenStudy (♪chibiterasu):

Because PEMDAS states that multiplication goes first anyway.

OpenStudy (anonymous):

ok?

OpenStudy (anonymous):

3 • 4 – 2 + 5 +7 A. 3 • [4 – (2 + 5) + 7] B. (3 • 4) – [2 + (5 + 7)] C. [(3 • 4) – 2] + (5 + 7) D. 3 • (4 – 2) + (5 + 7)

OpenStudy (anonymous):

Which placement of grouping symbols in the expression gives it a value of 22?

OpenStudy (♪chibiterasu):

Just look at your options and find out which one also equals 22.

OpenStudy (anonymous):

@beckyg111

OpenStudy (anonymous):

a?

OpenStudy (anonymous):

humm

OpenStudy (♪chibiterasu):

No.

OpenStudy (♪chibiterasu):

Because 3 would be multiplying into the entire parenthesis when it should only be multiplying into 4.

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