Evaluate (3+20)×(12+4): Order of Operations Practice

(3+20)×(12+4)= (3+20)\times(12+4)=

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Step-by-step video solution

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00:00 Solve the following problem
00:03 Make sure to open parentheses correctly
00:12 Each term within the parentheses will multiply with each term in the second parentheses
00:25 Solve each multiplication and then sum up
00:48 Solve one addition operation at a time
00:56 This is the solution to the question

Step-by-step written solution

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1

Understand the problem

(3+20)×(12+4)= (3+20)\times(12+4)=

2

Step-by-step solution

Simplify this expression paying attention to the order of arithmetic operations. Exponentiation precedes multiplication whilst division precedes addition and subtraction. Parentheses precede all of the above.

Therefore, let's first start by simplifying the expressions within the parentheses. Then we can proceed to perform the multiplication between them:

(3+20)⋅(12+4)=23⋅16=368 (3+20)\cdot(12+4)=\\ 23\cdot16=\\ 368

Therefore, the correct answer is option A.

3

Final Answer

368

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\( 140-70= \)

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