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# Chapter 4 F,F,E

### factors, fractions, and exponents

Rules for Divisibility to find out if a number is divisible by another number
Factors digits that a number can divided by
Order of Operations PEMDAS perenthesis;exponents;multiply;divide;add;subtract
Exponent tells you how many times you multiply the base number by itself
Base positive or negative integer that may have an exponent above it
Power small number above the base number
(-3)sq. means (-3)(-3)
-3sq. means -3 x -3
Prime Numbers are only divisible by one and themselves
Composite Numbers divisible by more than one and themselves
GCF greatest common factor
Variable GCF example = X²Y⁵
Prime Factorization 120 ^ 12 10 ^ ^ 3 4 5 2 ^ 2 2
Finding Prime Factorization Using GCF find the factors of the number and then find the factors of the factors until you have all prime numbers
Simplifying Variable Expressions simplify the numbers and subtract the exponents from the like variables
Rational Numbers 2/1 4/1
Negative Rational Numbers always have the negative sign next to the divisibility line or have it next to the numerator
4x³y⁵ ・3x²yz² 7x⁵y⁶z²
(x³y⁵)⁴ x¹²y²⁰
x⁰ 0
x⁻³ -x・-x・-x
x⁻³y²/a²
x³y²/a²b³ x³y²a²b³
x⁻³y²z⁰/x⁻²y⁻³ y⁵x²/x³
Charlie Stuck Period 1
Created by: stuckcharles