Zero and Negative Exponents
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What is (-m)^-3(n) if m=2, and n=-24?
-3
Which of the following simplifies to a negative number?
A) -4^-4 B)(-4)^-4 C)4^-4 D)1/4^-4 Answer- A) -4^-4
What is -a^-2 if a=-5?
-1/25
What is the simplified form of -(14x)^0y^-7z?
-z/y^7
What is the simplified form of 3a^4b^-2c^3.
3a^4c^3/b^2
A Galapagos cactus finch population increases by half every decade. The number of finches is modeled by 45 * 1.5 ^d , where d is the number of decades after the population was measured. Evaluate the expression to find the number of finches for d=-2.
45 * 1.5^-2 Answer- 20