4. Express the following as powers of rational numbers.
1) 81 by 625
2) -8 by 125
3) -343 by 512
4)32 by 243
5) -1 by 216
6) 729 by 1000
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Answer:
1=2and25square
2=2and5cube
3=7and8cube
4=4*8and6
5=1 is awhole number and 6cube
6=9and10cube
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