Answer:

Step-by-step explanation:
We want to simplify:

We rewrite as positive index to get:

This simplifies to

This will finally give us:

We cannot simplify further.
Hence the simplest form is 
Answer:
X=38
Step-by-step explanation:
Answer:
Alright is the first one and the 3rd one
2x^4
13b-10
5y+10
5a^3
2b^2+8a
Answer:
Step-by-step explanation
Rational number is a number that can be written as a fraction. Fractions, integers and decimals are all rational numbers.
Fraction to Decimal: rewrite as a division problem. Divide
Ex:1/2=2÷1=0.5
Decimal to Fraction: rewrite the digits over the appropriate power of 10/100. Simplify
Ex: 0.15= 3/20
15÷5=3
100÷5=20