Calculate and indicate the answer:
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Calculate and indicate the answer:
Previously mentioned in the order of operations that exponents come before multiplication and division which come before addition and subtraction (and parentheses always come before everything),
Let's calculate first the value of the expression inside the parentheses (by calculating the values of the terms with exponents inside the parentheses first) :
where in the second step we simplified the expression in parentheses, and in the next step we wrote the division as a fraction,
we'll continue and calculate the value of the square root in the denominator:
and then we'll perform the division (reducing the fraction essentially):
Therefore the correct answer is answer B.
5
\( 100+5-100+5 \)
Parentheses are the highest priority in PEMDAS! They group operations together, so must be completely finished before dividing by .
No! Even though is easy, you must follow PEMDAS order. Parentheses always come first, no matter how simple other parts look.
The colon (:) symbol means division, just like ÷ or /. So is the same as or .
Use PEMDAS: Parentheses, Exponents, Multiplication/Division (left to right), Addition/Ssubtraction (left to right). Practice with "Please Excuse My Dear Aunt Sally!"
Make sure you're entering the expression correctly! Use parentheses on your calculator: (4^2 + 3^2) ÷ √25. Without proper grouping, calculators might calculate in wrong order.
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