When you multiple same numbers with different exponents, the exponents add. Example x^2 * x^3 = x^4
When you divide same number with different exponents, the number subtracts
1. 5^4 * 5^8 = 5^12
2. 11^18/ 11^-4 = 11^22
Composite number. 69=3×23
A. 1.42152403
B. Repeating
C. 76/100
