GRE Math Review 2 ALGEBRA - ETS Home

Example A: 5 to the power 7, over, 5 to the power 4, =, 5 to the power 7 minus 4, which is equal to 5 to the power 3, or 125. Example B: t to the power 3, over, t to the power 8, =, t to the power negative 5, which is equal to 1, over, t to the power 5. Rule 4: x to the power 0 = 1. Example A: 7 to the power 0 = 1 ................
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