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Warm Up Here are the number of elements in
three different sets. Without a calculator express in exponential notation the total number of combinations for these sets. Then find the square root of that number.
l125l xl140l x l100l x l28l=
What is the square root of the number?
Sqr. Rt. =l125l xl140l x l100l x l28l=First: express each number in it’s factored form with
exponents.(5^3) x (7 x 5 x 2^2) x (5^2 x 2^2) x (7 X 2^2) =7^2 x 5^6 x 2^6 Now take the square root of that numberThe Square root = 7 x 5^3 x 2^3This is an easier number to multiplyNow multiply it out = 125 x 56 = 7000Now square that number and you get 49,000,000Or 4.9 x 10 ^7 in scientific notation.You have been taught all the knowledge to do this in the past
two years!
Now square it The square root = 7000
The square =49000000
Now express this in scientific notation: 4.9 x 10^7
Spore Game www.spore.com In the game you have a lot more options
than you had in the homework Watch and write down some categories.
Ordered Arrangement
A B C D
body types Sets of Eyes
Mouths Noses
Hairy One eye big cute
Scales Two eyes small long
Feathers Three eyes
Green Skin
You have to put only one type on each alien. How many ways can you do this?
A={Hairy, Scales, Feathers, Green Skin}
Practice Using 5 Colored Tiles. How many ways can
you fill each slot?____________ _____________ _______ ______ ______ _______ ______ ___________ _______ ____ _____ _____