Question

3-74. Mentally calculate the following products. Use the rule for decimal multiplication to write an equation in

which the decimal point is written in the correct location.
b. (0.03)(-0.02)
c. (0.7)(0.4)

Answer 1

B. -.0006

C. .28

Multiply 3 and 2 and you would get 6 then move the decimal 4 places to the left and you would get .0006


Multiply 7 and 4 and you would get 28 then move the decimal places 2 spaces to the left and you would get .28