Could -2be used as a base to rewrite 32? 64? why or why not

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15-08-2017
Mathematics

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Could -2be used as a base to rewrite 32? 64? why or why not

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kphung76127 kphung76127 · Answer 1 · 2017-08-15T01:34:30+02:00

kphung76127 kphung76127

15-08-2017

32. No because (-2)^5= -32. The exponent is odd so the negative sign does not cancel out.

64. Yes because (-2)^6=64. The exponent is positive so the negative sign in -2 is cancelled out through multiplication.

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