Answer:
When a number is written in scientific notation, the exponent tells you if the term is a large or a small number. A positive exponent indicates a large number and a negative exponent indicates a small number that is between 0 and 1.
8x^2=2+3
8x^2=5
x^2=5/8
x= sqrt(5/8)
0
Step-by-step explanation:
Replace x with 2.
-(2)+2=0
Add 0.31 + 0.33 + 0.45;
Hope I got it right! If not i'm sorry.