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# 8 4 scientific notation - day 2

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### 8 4 scientific notation - day 2

1. 1. Day 2 of Scientific NotationCalculator Keys EE or EXP Sci key
2. 2. The EE or EXP key on your calculator has abuilt-in function. That means it performs aspecific command every time the key ispressed. EE = “time 10 to the ____ power”
3. 3. Calculator notation Some calculators show scientific notation the same way we have written them here. Some use EE. They write 3.456 EE5 to mean 3.456 x105. Some write the same thing with this in the screen 3.4560505.
4. 4. Which is greater? Why? 3.3 x 10 2 or 3.3 x 10 -2 1.6 x 10 -4 or 1.68 x 10 -4 5.2 x 10 -5 or 5.2 x 10 -6 7.9 x 10 -7 or 2.4 x 10 -9
5. 5. SimplifyRemember your exponent rules 3.8 x 103)(4.1 x 104) (2.1 x 105)(3 x 10-4) (3.1 x 10-3)2
6. 6.  (3.6 x 104) (2 x 106) (4.2 x 10-4) (2.1 x 10-5)
7. 7. Assignment: P. 515 33-48