anonymous
  • anonymous
https://gyazo.com/5e80437f1cf410e5e8fbe944af4ea7ab
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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welshfella
  • welshfella
what you need to remember about scientific notation is that its of the form N * 10^n where N is a number between 1 and 10 ( not including 10)
anonymous
  • anonymous
i know that
welshfella
  • welshfella
so for the first one its 2.5 * 3 * 10^-3 * 10^-4 = 7.5 * 10 ^-7

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anonymous
  • anonymous
so 1=A?
welshfella
  • welshfella
If the first number is not 1-10 you need to multiply/ dividethe 2 parts as appropriate
welshfella
  • welshfella
yes
welshfella
  • welshfella
for example;- 15 * 10^ -6:- divide 15 by 10 = 1.5 multiply 10^-6 by 10 = 10^-5 giving 1.5 * 10^-5
welshfella
  • welshfella
any questions?
anonymous
  • anonymous
no i understand the concept so 1=A?
welshfella
  • welshfella
yes
anonymous
  • anonymous
B?
welshfella
  • welshfella
do you mean is 2 = B?
anonymous
  • anonymous
no im asking what is B?
welshfella
  • welshfella
well you are supposed to match them right so work out 2 and see if it = B.
anonymous
  • anonymous
okay
anonymous
  • anonymous
3 = B ;p
welshfella
  • welshfella
9.6 / 3.2 = 3
anonymous
  • anonymous
;p typo 9.6 / 3.2 = 3 and 3.2 /10^9 = 10^17 ;p
welshfella
  • welshfella
yes so 2 = B
anonymous
  • anonymous
so 2= b ;C
welshfella
  • welshfella
i think you get it gotta go right now
anonymous
  • anonymous
thanks m8

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