SOLUTION: can you give me the answer on this. evaluate each expressin if a = 4,b = and c = 7 1. 3ac 2. 5b3 3. abc 4. ab/8 5. 2a-3b 6. b4/4 7. c-a 8. 20-bc 9. ab-c

Algebra ->  Algebra  -> Expressions-with-variables -> SOLUTION: can you give me the answer on this. evaluate each expressin if a = 4,b = and c = 7 1. 3ac 2. 5b3 3. abc 4. ab/8 5. 2a-3b 6. b4/4 7. c-a 8. 20-bc 9. ab-c      Log On

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Question 10303: can you give me the answer on this.
evaluate each expressin if a = 4,b = and c = 7
1. 3ac
2. 5b3
3. abc
4. ab/8
5. 2a-3b
6. b4/4
7. c-a
8. 20-bc
9. ab-c
Answer by bonster(299) About Me  (Show Source):
You can put this solution on YOUR website!
in order to solve these, substitute the numbers for the variables:

I'll help you with 2:
a=4
b=??? what does b =?
c=7

1) 3ac=(3)(4)(7)=(3)(28)

7)c-a=7-4=3

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