Question

Consider this expression and the steps to evaluate it. 45(−2)9 48(−2)3 1. Apply the quotient of powers: (−2)a 4b 2. Evaluate powers: c d

Answer 1

a = 6

b = 3

c = 64

d= 64

Step-by-step explanation: i got it right

Answer 2

a = 6

b = 3

c = 64

d= 64

Explanation:

1. Apply the quotient of powers:

`(-2)^a / 4^b`

In the given expression:

`4^5(-2)^9/4^8(-2)^3`

base same then the powers are subtracting if the bases are in numerator and denominator

i.e
`a^m/a^n = a^(m-n)`

Solving:

`=(-2)^(9-3)/4^(-5+8)\\=(-2)^6/4^3`

therefore, the values of a and b are: a = 6

b = 3

2. Evaluate Powers

c/d

We have

`(-2)^6/4^3`

When power is even negative sign changes into plus sign

64/64

Therefore, we get the values of c and d

c = 64

d= 64