Some of you haven't gotten to the math involved in scientific notation yet, but it is pretty easy. Before we talk about what an exponent is, lets talk about what multiplication is. Multiplication is just repeated addition. so I can rewrite
as what?
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Question 3
3.
exponents are repeated multiplication. so
The three is called the base, and the four is how many times you multiply that by itself. Notice that which number is the base and which number is the exponent matters. 3^4 is not the same as 4^3. which of the following is 4^3?
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Question 4
4.
when the base is 10, exponents get really really easy.
What pattern do you see?
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Question 5
5.
We won't go into the math of why negative exponents means dividing by the number again and again, but what I do want you to understand is that a negative exponent means that the number is really really small. So, match the decimal place to the fraction
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Corresponding Item
1/100
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0.1
1/1000
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0.01
1/10
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0.001
1/10000
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0.0001
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Question 6
6.
what pattern did you see above?
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Question 7
7.
Convert from Scientific Notation to Standard Form:
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Question 8
8.
Which of the following is the largest:
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Question 9
9.
8th grade and honors - watch the following video on
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Question 10
10.
Parallax was one of the reason Galileo's heliocentric theory was rejected. if the earth was the center of universe, how much parallax should you be able to see between stars?
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Question 11
11.
Do you think you can explain what parallax is to the class on Tuesday?
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Question 12
12.
Do you think you can explain what a light year is to the class on Tuesday?