The number of decimal places in the product will be sum of the factor"s decimal place. So the product will have 1,2,3 or 4 decimal places.

Step-by-step explanation:

Given

See comment for complete question

Required

The number of decimal places

To do this, we simply calculate the number of digits after the decimal points

The product is the sum of the digits above 2 + 1 = 3

Hence:

(0.2)+(-8)=0.3+-3+0.3m is the equation i guess? ?

step-by-step explanation:

you can use a^2+ b^2=c^2