Question

Evaluate the expression when c=4. 4c−7.8 = ???????

Answer 1

Answer:

8.2

Step-by-step explanation:

4(4)-7.8

Answer 2

So if c=4, the equation will be (4 × 4) - 7.8. Use PEMDAS (parenthesis, exponents, multiplication, division, addition, & subtraction) to solve.

4 × 4 = 16

16 - 7.8 = 8.2

Answer:

4(c) - 7.8 when c = 4 equals 8.2.

I hope this helps :)