Beginning Algebra
Simplify 3−43^{-4} and write the result in simplest fractional form.
Which statement correctly defines a negative integer exponent for a nonzero base aa and positive integer nn?
Write 0.00047 in scientific notation using a power of ten (negative exponent) and then express it as a simplified fraction.
Simplify the rational expression 3x−2y3x−5y−1\(\displaystyle\]\frac{3x^{-2}\)y^3}{x^{-5}y^{-1}} and express your answer with only positive exponents.
Simplify the expression 3−2⋅9127{\(\displaystyle\[\frac{3^{-2}\]\cdot\)9}{\(\frac{1}{27}\)}} to a single integer or fraction.