Answer:
Have a great day
Step-by-step explanation:
=3 1/2÷1/4
=7/2×4
=7×2
=14
Answer:
Rational
Step-by-step explanation:
A rational number can be written as a fraction of the form.

and a and b are integers.

Hence in this case a=999 and b=100.
Since both are integers with b being a non-zero integer, we conclude that 9.99 is a rational number.