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OpenStudy (anonymous):
Use properties to evaluate the expression? (2 • 9) • 4 A. 72 B. 54 C. 38 D. 15
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OpenStudy (anonymous):
A, it is just multiplication
OpenStudy (anonymous):
thx
OpenStudy (anonymous):
do 2*9 first
OpenStudy (anonymous):
to get 18
OpenStudy (anonymous):
then do 18*4 to get your answer
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OpenStudy (anonymous):
remember PEMDAS
OpenStudy (anonymous):
Parenthesis Exponents Multiplication Division Addition Subtraction
OpenStudy (anonymous):
Parenthesis Exponents Multiplication Division Addition Subtraction
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