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Simplify each expression using the proper order of operations. please help thank you so much :)


(41 - 3^2)/(√(36)* 3 - 26 )= ?

12 +
{3} √(8)*(9-2)= ?


(28-(7^2+3))/(-13+3*5)= ?


(28)/(4) -
\sqrt[3]{8}*
(2)/(3)= ?

7^2 - 5* 8+1= ?

(2*
√(16)) -(
\sqrt[3]{27}*
√(81)) + 7= ?

User Mystery
by
5.8k points

1 Answer

1 vote

Answer:


(41 - 3^2)/(√(36) * 3 - 26) = -4


12 + 3√(8) * (9 - 2) = 12 + 42 √(2)


(28 - (7^2 + 3))/(-13 + 3 * 5) = -12


7^2 - 5* 8+1 = 10


(2 * √(16)) - (\sqrt[3]{27} * √(81)) + 1 = -18

Explanation:

Required: Solve the expressions using proper operation order

To solve this, we'll make use of BODMAS

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(41 - 3^2)/(√(36) * 3 - 26)

Evaluate all squares and square roots


(41 - 3*3)/(√(36) * 3 - 26)


(41 - 3*3)/(6 * 3 - 26)

Evaluate the numerator (Start by multiplying 3 * 3)


(41 - 9)/(6 * 3 - 26)

Subtract 9 from 41


(32)/(6 * 3 - 26)

Evaluate the denominator (Start by multiplying 6 * 3)


(32)/(18 - 26)


(32)/(-8)

Divide 32 by -8

-4

Hence;


(41 - 3^2)/(√(36) * 3 - 26) = -4

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12 + 3√(8) * (9 - 2)

Start by evaluating the bracket


12 + 3√(8) * 7

Then evaluate the multiplication


12 + 21√(8)

Simplify the square root


12 + 21√(4 * 2)

Split the square root


12 + 21√(4) * √(2)

Take Square root of 4


12 + 21 * 2} * √(2)


12 + 42 √(2)

Hence;


12 + 3√(8) * (9 - 2) = 12 + 42 √(2)

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(28 - (7^2 + 3))/(-13 + 3 * 5)

Evaluate 7²


(28 - (49 + 3))/(-13 + 3 * 5)

Evaluate all expression in the bracket


(28 - (52))/(-13 + 3 * 5)


(28 - 52)/(-13 + 3 * 5)

Evaluate 3 * 5


(28 - 52)/(-13 + 1 5)


(-2 4)/(2)


-12

Hence;


(28 - (7^2 + 3))/(-13 + 3 * 5) = -12

--------------------------------------------------------------------------------------------------------


7^2 - 5* 8+1

Evaluate 7²


49 - 5* 8+1

Evaluate 5 * 8


49 - 40 + 1


10


7^2 - 5* 8+1 = 10

--------------------------------------------------------------------------------------------------------


(2 * √(16)) - (\sqrt[3]{27} * √(81)) + 1

Evaluate all square root and cube root


(2 * 4) - (3 * 9) + 1

Solve the expressions in bracket


8 - 27 + 1


-18

Hence;


(2 * √(16)) - (\sqrt[3]{27} * √(81)) + 1 = -18

User Beroe
by
5.4k points