What do we get if we raise 2 to the powers 0, –1, –2, and –3? What is 34 multiplied by 3–4? What is 42 multiplied by 4–3?

20 = 1.

2–1 = 1/21 = 1/2 = 0.5.

2–2 = 1/22 = 1/4 = 0.25.

2–3 = 1/23 = 1/8 = 0.125.

34 × 3–4 = 34–4 = 30 = 1.

42 × 4–3 = 42–3 = 4–1 = 1/4 = 0.25.
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