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3 years ago

14

How is the answer with a power of 15? I got -2 the first time

2 answers:

lakkis [162]3 years ago

8 0

That's the same answer I got 2

Irina18 [472]3 years ago

7 0

It's not entirely clear what the full problem is as it is cut off; however, it looks like you're using the speed of light (c) which is 3.00*10^8 meters per second. So you would use that instead of 3.00*10^(-9).

Doing so yields the following
c/lambda = (3.00*10^8)/(1.26*10^(-7)) = (3.00/1.26)*10^(8-(-7)) = 2.38*10^15
which fits with the result you have on the right side

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Interest be I

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$\\ \sf\Rrightarrow I=\dfrac{280}{100}$

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Now

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