A Sign of the Times
All in Good Form
You have the Power!
Divide and Conquer
Blinded with Science!
100
(5x2)(-3x4)
-15x6
100
Write with only positive exponents. 15a7b-3
(15a7)/b3
100
(x4)5
x20
100
x9 ÷ x5
x4
100
Every hour, Nibbles the hamster can bite the bars of her cage 3.2 X 102 times. How many bites would happen in 4 x 102 days?
1.28 X 105 bites
200
(-11x-5y7)(-2x4y-2)
(22y5)/x
200
Write in proper form. 736.5 X 10-6
7.365 X 10-4
200
(-5x3y-2)2
(25x6)/y4
200
(-12x9y2) ÷ (14x3y11)
(-6x6) ÷ (7y9)
200
A famous formula attributed to Einstein is E = mc2. If c = 3 X 108, what is c2?
9 X 1016
300
(7x4)(-3xy5)(-y-9)
(21x5)/y4
300
Write with only positive exponents. (-9x-2y0)÷(4a3b-3)
(-9b3)÷(4x2a3)
300
(6 X10-4)3
2.16 X 10-10
300
(2.4 X 10-3) ÷ (6 X 10-7)
4 X 103
300
Your village wins 6.4 X 106 dollars in the lottery, which will be shared among the 8 X 104 residents. How much money does each person get (leave in both scientific and standard notation)?
8 X 101 or $80.
400
(4X108)(7X10-3)
2.8X106
400
Write in proper form. 0.00462 X 103
4.62 X 100
400
(x-3 ÷ y4)-3
x9y12
400
[ (3x2)(7x8) ]÷(49x13)
3/7x3
400
If a single mole of molecules is 6.02 X 1023, how many molecules are in 7 X 10-3 moles?
4.214 X 1021 molecules.
500
(-x-5y-7z-1)(x5y7z1)
-1
500
(-2)-3a-2b0
1/(-8a2)
500
41/2•91/2
(4•9)1/2 = 361/2=6
500
[ (-2x)(5x4y5)2] ÷ (-30x3)
(5x6y10) / 3
500
You have bacteria that grows at a rate of 6 X 105 new organisms per day. After 3.2 X 102 days, you plan to divide the total bacteria among 2 X 105 containers. How many bacteria organisms will be in each container?
9.6 X 102 organisms per container.
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