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Mathematics 13 Online
OpenStudy (anonymous):

Find the value of 21 + 4(3^2 - 5). 25 37 100

OpenStudy (ashleyisakitty):

Remember the rules of PEMDAS. You first need to find the value of 3^2-5, then multiply that by 4 and add 21.

OpenStudy (anonymous):

how do i find the value?

OpenStudy (ashleyisakitty):

You do the equation. What is 3*3-5?

OpenStudy (triciaal):

start with 3^2 = subtract 5 multiply by 4 now add 21

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