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-1-2•[(-1)+5)} I am so lost on these math problems

Sagot :

Chetankachanaidn

Answer:

-9

Step-by-step explanation:

Use the order of operations. Do these operations in this order:

  • Parenthesis
  • Exponents
  • Multiplication
  • Division
  • Addition
  • Subtraction

Note: when either multiplication and division, or addition and subtraction are there, go left to right.

Equation: -1 - 2 · {(-1) + 5}

Solve:

  • -1 - 2 · {(-1) + 5}
  • -1 - 2 · {4}
  • -1 - 8
  • -9

*Challenge*

Using the same method, see if you can solve this equation:

6 ÷ 2(1+2)

-Chetan K
the answer is -9 because me said so
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