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B. Directions: Complete the solution below by performing the operations given on the right.
1. 3r2 + 8 - (2 + 2
3r3+8+ 4 Groupings
Exponent
Division
Addition
Final answer ​


B Directions Complete The Solution Below By Performing The Operations Given On The Right 1 3r2 8 2 2 3r38 4 Groupings Exponent Division Addition Final Answer class=

Sagot :

PEMDAS RULE

2. (7X2)+3^3-20

14+3^3-20 Groupings

14+9-20 Exponent

23-20 Addition

3 Subtraction

3 Final answer

The letters PEMDAS stand for parenthesis, exponents, multiplication, division, addition, and subtraction. The order of the letters in PEMDAS tells you what to calculate first, second, third, and so on, until the computation is complete, given two or more operations in a single statement. If the equation contains grouping symbols, PEMDAS instructs you to compute within the grouping symbols first.

Because the letters PEMDAS and the phrases parenthesis, exponents, multiplication, division, addition, and subtraction may be difficult to recall, a sentence has been added to the letters in PEMDAS: Please Excuse My Dear Aunt Sally. It may be easier to recall the PEMDAS order of operations if you can remember this phrase.

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