Answer:
C.
Step-by-step explanation:
A repeating decimal is always rational I think.
I hope this helps!
Answer:
90
Step-by-step explanation:
6 × (-3) × (-5)
= 6 × 15 ( Multiplying 2 negative numbers gives the product a positive number)
= 90
21/100 is the answer. Hope this helped!
Answer:
0.8
Step-by-step explanation:
We begin with the expression: 
First, we need to convert the fractions into decimals to make this easier.
and 
Once we have this, we can simplify it
