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Help please!!!!!!30 points

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User Anurag H
by
8.6k points

2 Answers

4 votes

Answer:

31 and 29

Explanation:

Other answer = more information lol

User Art Yerkes
by
8.0k points
4 votes

Answer:

31.


6.139* 10^-^7\\\\or\: 613.9* 10^-^9

29.


1.806 * 10^2^5

Explanation:

31.


6.83*\:10^(-7)-6.91*\:10^(-8)\\\\10^(-7)=(1)/(10^7)\\\\=6.83*(1)/(10^7)-10^(-8)*\:6.91\\\\10^(-8)=(1)/(10^8)\\\\=6.83*(1)/(10^7)-6.91*(1)/(10^8)\\\\6.83*(1)/(10^7)=0.000000683\\\\6.91* (1)/(10^8)=0.0000000691\\\\=0.000000683-0.0000000691\\\\=0.0000006139\\\\= 6.139* 10^-^7

29.


(2.1* 10^1^6)*(8.6* 10^8)\\\\10^(16)* \:10^8=\:10^(16+8)\\\\=2.1* \:8.6* \:10^(16+8)\\\\\mathrm{Add\:the\:numbers:}\:16+8=24\\=2.1* \:8.6* \:10^(24)\\\\\mathrm{Multiply\:the\:numbers:}\:2.1* \:8.6=18.06\\=10^(24)* \:18.06\\\\10^(24)=1.0E24\\\\=18.06* \:1.0E24\\\\=1.806E25

User Mlst
by
8.3k points

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