Monthly Archives: February 2016

Week 4 – Math 10

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IMG_20160228_203144

 

I had no clue how to turn this number into scientific notation form when I first saw it, because I had never been taught how to. After it was briefly taught I figured out how to do the question. The basic formula is a ×10n. First, you put a decimal between the first two digits other than zero, in this case it was 7 and 5. This determines what a is. Next, you count the spaces between digits all the way to the end of the number, in this case, it was 6. This determines what n is, or the exponent. The correct answer for this question is 7.5 x 106.

 

Week 3 – Math 10

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IMG_20160223_172152

 

I had had trouble with this question because messed up the power of a power law. I thought you added the power and the exponent, when you are supposed to multiply it. Also, I thought you multiply the coefficient by the power, when you really take the coefficient to the power of the power.

When I was doing the problem incorrectly my answer was

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When I was doing the question correct, the answer was

 

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Week 2 – Math 10

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This question stumped me because I did not know what to do with the exponent when turning an entire radical into a mixed radical.

After asking my friend, I figured the question out. The number in the prime factorization that is put outside of the square root gets multiplied by the coefficient. in this case, 3 was multiplied by the coefficient 5.

Here is the correct answer

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Week 1 – Math 10

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This question stumped me because I forgot that Pythagorean Theorem was

a2 + b2 = c2

For some reason, I thought it was

a2 x b2 = c2

Since that equation did not work when I tried to solve it, I looked back at the notes at saw what I was doing wrong.

In mixed radical form, the correct answer of the length of AB is 2√24