What is the product? (3..8 a.-26.52 b.11.2 c.-11.2 d.-21

-26.52

Step-by-step explanation:

I believe you meant (3.4)(-7.8).

As one of these factors is + and the other is -, the product will be -.

Then the product is -(3.4)(7.8), or approx -3(8), or -24.

Rewriting -(3.4)(7.8) in terms of the equivalent improper fractions, we get

-34     78       12652

* =     This may also be written as -26.52.

 10     10         100

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation: