What is (-3)^4-6(-3)-8 ?

The solution to (-3)^4-6(-3)-8 is 91

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(-3)^4-6(-3)-8

(- 3)^{4} - 6 (- 3) - 8

91

Solution steps

(- 3)^{4} - 6 (- 3) - 8

Follow the PEMDAS order of operations

Calculate exponents

(- 3)^{4} : 81

(- 3)^{4}

Apply exponent rule:

(- a)^{n} = a^{n},

n

is even

(- 3)^{4} = 3^{4} = 81

= 81

= 81 - 6 (- 3) - 8

Multiply and divide (left to right)

6 (- 3) : - 18

6 (- 3)

Apply rule

a \cdot (- b) = - a \cdot b

6 (- 3) = - 6 \cdot 3 = - 18

= - 18

= 81 - (- 18) - 8

Add and subtract (left to right)

81 - (- 18) - 8 : 91

81 - (- 18) - 8

Apply rule

- (- a) = + a

- (- 18) = + 18

= 81 + 18 - 8

81 + 18 = 99

= 99 - 8

99 - 8 = 91

= 91

= 91

1 4^{0} + 2^{7} + 1 5^{1}

5 (\frac{1}{2} + \frac{1}{3}) + \frac{1}{6}

- (7 - 4) - 3 - (- 6 - 5 - 12) - 9

- 2^{2} + 5 (- 2) + 1

\frac{5 ( 3 ) ^{2} - 1}{3 ^{2}}