The following will be covered on the quiz:

halfing and doubling

expanded form

expanded notation

written form

scientific notation

place value

coordinate grid

exponents

factored form

cubed / squared

If you have any questions ask them here on the blog. I will answer them here.

## Look for this Homework tonight!

**All homework can also be found on each class site within the scribe post of each day.**

Jan. 14

Find the mean, median, mode, range, and outlier of the follow data sets:

A. 23, 17, 24, 16, 23, 23, 7, 27, 22, 28

B. 7, 14, 8, 11, 8, 12

Find the prime factors of 42 using a factor tree.

January 12th

Find the mean, median, mode, range, and outliers for the following data sets:

A. 1, 9, 7, 3, 4, 6

B. 48, 8, 2, 10, 2, 5, 5, 7, 9, 4

C. 23, 24, 24, 29, 75

January 8th

1. You are shopping at a store that charges 6% tax. You have a coupon for a 10% discount on everything you buy. Which way would you prefer the to have your bill computed - tax first or discount first? Expalin your thinking.

2. A newspaper article claims that 15% of people eat out each night in Athens. There are 50 000 people in Athens, and there are 25 restaurants. Do you think the newspaper article is correct? Show all of your work and explain your thinking.

January 5th.

1. Find three numbers that have a G.C.F. of 6.

2. Find three numbers that have a L.C.M. of 24.

## Tuesday, September 30, 2008

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## 15 comments:

For cubed, will there be questions like, 65 to the fifteenth exponent?

Because thats a bit hard to do without much room.

65 X 15 = 975 X 15 = 14625

7-72

Ronny Singhmr isfeld. How do you do scientific notation with a number with a decimal and its more that 6 digits such as 4756.981???

on the test for place value if you say "what place is the 9? in 2534.897"

can you just put the hundredths or do you have to put 9 hundredths???

what do we do in factored form? do we do it like this.....eg.

5*5*5 or do we do the whole thing???like this..eg.5 to the power 0f 3=5*5*5=125???

Althea7-72

i have another question...in scientific part do we do it like this..2468.101?

2.468*10 to the power of 3 or

2.468 101*10 to the power of 3

Althea 7-72

7-72

on the last quiz number 14, how did you get 2500? from the question "1.0x10 to the exponent of 6 + 2.0 x 10 to the exponent of 4+ 3.0x 10 to the exponent of -1"

on the last quiz # 14, is the answer

1 000 000 + 20 000 + 0.03

Because the guy who corrected my test DIDN'T EVEN PUT THE CORRECT ANSWER WHERE I GOT IT WRONG!

first of all there won't be anything like 65 to the exponent 15, but that is not cubed. Cubed is only any base to the exponent 3. Which would be 65 x 65 x 65 still hard but easier.

argie follow the rules id significant numbers 1 to the left of decimal multiply by 10 and determine exponent by how many times the decimal has moved.

argie you would say hundredths that is the place 9 hundredths is the value.

factored form looks like this

5 x 5 x 5 that is all you need to do.

althea your second answer is correct for scientific notation

number 14 is not 2500 show me your quiz perhaps their was a error in the marking process.

What is the sum of a squared number?

E.G

3 squared = 9

Is that correct?

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