Answer:
D
Step-by-step explanation:
6*10 = 60 so which answer choice has a 60 in and that will be D.
Multiply the coefficients and the powers of 10 with each other:

The numeric part simply yields

As for the powers of 10, you have to add the exponents, using the rule

So, we have

So, the final answer is

Eight tenths minus five tenths equals three tenths.
Answer:
5
Step-by-step explanation:
-5 + 5 = 0
Check the picture below, you can pretty much count the units off the grid for the length and width.
recall area = length * width.