Respuesta :

Answer:

Step-by-step explanation:

a.3(3+7)

3*3+3*7

9+21

30

b.-3[(-6)*3]

-3*-18

54

Hey there!

Question #1

-3(3 + 7)

3 + 7 = 10

-3(10)

= -30

Question #2

-3[(-6)×3]

-6(3) = -18

-3(-18)

= 54

Question #1

Answer: -30

Question #2

Answer: 54

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)