3. use the law of exponents to evaluate (1/x) ^ -n when x= 7 and n= 2

a. 1/49
b. 1/7
c. 7
d. 49

4. which expression is equivalent to (n^6) ^3

a. n^18
b. n^9
c. n^3
d. n^2

5. which is equivalent to (2x^2) ^3

a. 8x^6
b. 6^6
c. 8x^5
d. 6x^5

6. simplify the expression (-x) ^5 (4x) ^2

a. -16x^7
b. -16x^10
c. -8x^7
d. 16x^10

13. the diameter of the sun is 864,000 miles. how can this value be expressed in scientific notation.

a. 8.64 x 10^5
b. 0.864 x 10^5
c. 86.4 x 10^3
d. 8.64 x 10^ -5

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

hope it

step-by-step explanation:

x^(1/6) · x^(1/6) · x^(1/6)   ·x^(1/6) = x^(4/6)   since we add the exponents

4/6 can be simplified to 2/3

the simplified form is x^(2/3)

$9.89

step-by-step explanation:

9.90 = p x .06 x .25 (3/12 changed to a decimal)

9.90 = p x 0.015

9.90 - 0.015 = p

9.89 = p

step-by-step explanation: