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6-7.
  1. Simplify each expression using only positive exponents. Homework Help ✎

    1. (3xy3)(–2y)

    2. (x3y2)(x–2y–2)

    3. (–2x)–3

Remember that when you multiply, you add the exponents.

−6xy4

Refer to part (a).

y0 = 1

Remember that when you divide, you subtract the exponents.