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Chapter 4 Exponents

Rules for divisibility 2. even number 0,2,4,6,8 3. sum of the digits is divisible by 3 4. last 2 digits are divisible by 4 5. ends in 0 or 5 6. if divisible by 2 and 3 (has to be both) 8. last 3 digits divisible by 8 9. the sum of the digits divide by 9 10. ends in zero
Factors numbers that are evenly divisible by a number
Order of operations PEMDAS parenthesis, exponents, multiply, divide, add, subtract
Exponent method of showing repeated mult. = how many times to multiply a number by itself
Base the big main number
Power smaller number at top
(-3)^2 Means exponent
-3^2 means
Prime Numbers a number with 2 factors
Composite Numbers a number with 3 or more factors
GCF the greatest number that is divisible into a set of numbers
Variable GCF (example: x^2 y^2 xy^2)
Prime factorization (example: 120)
Finding prime factorization using GCF
Simplifying Variable expressions subtracting the exponents
Rational NUmbers - Give examples of rational numbers
Negative Rational numbers- how do you write
Multiplying exponent rule example 4x^3y^5x3x^2yz^2 multiplying powers with the same base
Power of power rule power of a power
Zero exponent rule
zero exponent rule
negative exponent rule
write without negative exponents
rewrite without a fraction bar
rewrite without zero or negative exponents and simplify
(example: x^2 y^2 xy^2)
(example: 120)
example 4x^3y^5x3x^2yz^2
Example 78 and 124
example (12x^2y^5)/(8x^4y^2
Courtney Bethell Period 4
Created by: bethellcourtney