Math Problem Statement
in The 2nd question all the powers are in minus and 3rd one is -4/5 within the bracket
Solution
It seems you are referring
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Math Problem Analysis
Mathematical Concepts
Exponents
Negative Powers
Fractions
Formulas
a^(-n) = 1 / a^n
Fraction operations with negative exponents
Theorems
Power Rule for Exponents
Multiplication of Powers
Suitable Grade Level
Grades 8-10