Asked by student
Please help me solve these problems.
12^2+2 [(13+3)] / 2^2]
-4(3)+5[7-6(-4)^2]
-5(3)+3[9-6(-3)^2]
12^2+2 [(13+3)] / 2^2]
-4(3)+5[7-6(-4)^2]
-5(3)+3[9-6(-3)^2]
Answers
Answered by
Jai
just follow PEMDAS: Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction. this is the order in which operation must be performed first. thus,
#1.
12^2 + 2[(13+3)] / 2^2]
144 + 2[(16)/4]
144 + 2[4]
144 + 8
152
#2.
-4(3)+5[7-6(-4)^2]
-12 + 5[7 - 6*(16)]
-12 + 5[7 - 96]
-12 + 5[-89]
-12 - 445
-457
#3.
-5(3)+3[9-6(-3)^2]
-15 + 3[9 - 6(9)]
-15 + 3[9 - 54]
-15 + 3[-45]
-15 - 135
-150
#1.
12^2 + 2[(13+3)] / 2^2]
144 + 2[(16)/4]
144 + 2[4]
144 + 8
152
#2.
-4(3)+5[7-6(-4)^2]
-12 + 5[7 - 6*(16)]
-12 + 5[7 - 96]
-12 + 5[-89]
-12 - 445
-457
#3.
-5(3)+3[9-6(-3)^2]
-15 + 3[9 - 6(9)]
-15 + 3[9 - 54]
-15 + 3[-45]
-15 - 135
-150
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