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egoroff_w [7]
3 years ago
12

Explainhow the order of operations determines how you simplify a numeric expression.Be sure to explain the rules for addition, s

ubtraction, multiplication,division, and the use of grouping symbols. Use examples to illustrate yourpoints
Mathematics
1 answer:
emmainna [20.7K]3 years ago
3 0
Firstly, the order of operations is as follows: PEMDAS or parentheses, exponents, multiplication, division, addition, then subtraction.

All of these are done in the exact order given above.

For example, given the equation (4 x 7) + (6 / 2) - 3^2 = ?

1. Parentheses
- Solve the equations within the parentheses first.
(4 x 7) + (6 / 2) - 3^2 = 28 + 3 - 3^2

2. Exponents
- Second, if there are any exponents, solve this.
28 + 3 - 3^2 = 28 + 3 - 9

3. Mulltiplication

4. Division

5. Addition
28 + 3 - 9 = 31 - 9

6. Subtraction
31 - 9 = 22

Answer: 22.

Hope this helps.
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Given 50% of x = 46 hrs

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3 years ago
Select the correct answer.
bulgar [2K]

Answer:

Option A. is the correct option.

Step-by-step explanation:

We have to get the simplified form of sin (.6x)-sin(.4x)

As we know the identity sinA- sinB = 2 cos(A+B)/2.sin(A-B)/2

We apply the identity in the given expression

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How can you use scientific notation to compare the mass of an electron to the mass of a proton
Advocard [28]

Answer:

explained below

Step-by-step explanation:

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In the image I leave an example of the use of scientific notation in this area

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