Предмет: Алгебра, автор: vovaulanov530

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Автор ответа: svetlanavaslarionova
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Ответ:

1)1)с7•с4=с11; 2)а•а²=а³ 3)х6•х3•х7=х16

4)b²•b•b³=b6. 5)3³•3^4=3^7. 6)(-7)³•(-7)^6•(-7)^9=(-7)^18=7^18

7) x^8:x4=x^4. 8)a10:a9=a. 9)c6:c=c5

10)a5:a=a4. 11)(1/10)^20:(1/10)^10=(1/10)^10

12)(-0,5)^16:(-0,5)^15=-0,5

13)(a^6)²=a^12. 14)(-b^5)^4=(-b)^20=b^20

15)(a³)²=a^6. 16)(x^10)^10=x^100

17)(3²)²=3^4=81. 18)(-5²)³=(-5)^6=5^6

2)1)x²•x8:x³=x^(2+8-3)=x^7

2)x^5:x2:x²=x^(5-2-2)5

3)x^10(x^10:x^5)=x^10•x^5=x^15

4)x^6:(x•x^5)=x^6:x^6=1

5)(x^4•x³):(x³•x²)=x7:x5=x²

6)(x16:x8):x4•x²=x8:x4•x²=x4•x²=x6

7)y12:(y6)²=y12:y12=1

8)(y4)^5:(y4)2=y20:y8=y12

9)(y•y²)³•(y•y³)²=(y³)³•(y4)³=y9•y12=y21

3)1)10^15•10^7/10^19=10^22/10^19=10³=1000

2)7^8:(7•7^5)=7^8:7^6=7²=49

3)(-3)^5•(-3)³/(-3)^7=(-3)^8:(-3)^7=-3

4)2^18:(2^7)²=2^18:2^14=2^4=16

5)(7^8)²/(7³)^5=7^16:7^15=7

6)6^12•(6³)^5/(6^5)^4•6^4=6^12•6^15/6^20•6^4=6^27:6^24=6³=216

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