Question

What is the value of the expression 9r-5s+3 to the 3rd power if r=2/3 and s= -2

Answer 1

Answer:

$\huge \boxed{43}$

Step-by-step explanation:

$9r - 5s + {3}^{3}$

plug the values

$= 9 \times \frac{2}{3} - 5 \times ( - 2) + {3}^{3}$

Reduce the numbers with Greatest Common Factor 3

$= 3 \times 2 - 5 \times ( - 2) + {3}^{3}$

Multiply the numbers

$= 6 + 10 + 27$

Calculate the sum of positive numbers

$= 43$

Hope I helped..

Best regards!

Answer 2

Answer:

43

Step-by-step explanation:

(9r-5s+3^3)

Let r = 2/3  and s = -2

(9 * 2/3-5* -2+3^3)

(6+ 10+27)

43