JARthe1st
JARthe1st JARthe1st
  • 11-04-2017
  • Mathematics
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please help and thank you!

please help and thank you class=

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Аноним Аноним
  • 12-04-2017
15)
= (9x7) x 10^11
= 63 x10^11
= 6.3 x 10^12

answer is D) 6.3 x 10^12 last choice

16)
= (1.1 x3) x 10^-7
= 3.3 x 10^-7

answer is C) 3.3 x 10^-7 (third choice)

17)

= 49t^8

answer is A) 48t^8 first choice
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