Question

Apply the order of operations to the problem from the beginning of this lesson and see if you can determine if Sylvia or Edward was correct. 2² + 5 • 4 ÷ 2 = Sylvia's answer: 14 Edward's answer: 12

Answer 1

Hi!

Explanation: This question is about pemdas.

P-parenthesis

E-exponents

M-multiply

D-divide

A-add

S-subtract

that came from left to right.

Calculate exponent.

$2^2+5*4/2$

$2^2=2*2=4$

4+5*4/2

Multiply and divide left to right.

4+20/2

4+10=14

Sylvia's answer is correct.

Edward's answer is incorrect.

Hope this helps!

Have a great day!

-Charlie

Answer 2

P-parenthesis

P-parenthesisE-exponents

P-parenthesisE-exponentsM-multiply

P-parenthesisE-exponentsM-multiplyD-divide

P-parenthesisE-exponentsM-multiplyD-divideA-add

P-parenthesisE-exponentsM-multiplyD-divideA-addS-subtract

P-parenthesisE-exponentsM-multiplyD-divideA-addS-subtractthat came from left to right.

P-parenthesisE-exponentsM-multiplyD-divideA-addS-subtractthat came from left to right.Calculate exponent.

P-parenthesisE-exponentsM-multiplyD-divideA-addS-subtractthat came from left to right.Calculate exponent.2² + 5*4/2 2² = 2*2=4

P-parenthesisE-exponentsM-multiplyD-divideA-addS-subtractthat came from left to right.Calculate exponent.2² + 5*4/2 2² = 2*2=44+5*4/2

P-parenthesisE-exponentsM-multiplyD-divideA-addS-subtractthat came from left to right.Calculate exponent.2² + 5*4/2 2² = 2*2=44+5*4/2Multiply and divide left to right.

P-parenthesisE-exponentsM-multiplyD-divideA-addS-subtractthat came from left to right.Calculate exponent.2² + 5*4/2 2² = 2*2=44+5*4/2Multiply and divide left to right.4+20/2

P-parenthesisE-exponentsM-multiplyD-divideA-addS-subtractthat came from left to right.Calculate exponent.2² + 5*4/2 2² = 2*2=44+5*4/2Multiply and divide left to right.4+20/24+10=14