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Math Review

# Math Review - if you raise 10(or e to a power equal to the...

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Math Review Practice with the Scientific Calculator

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Basic Functions Add Subtract Multiply Divide
Add Value + value = ans 5 + 6 = 11 Subtract Value – value = ans 5 6 = 1

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Multiply Value X value = ans 5 X 6 = 30 Divide Value value = ans 5 6 = 0.83333333
Advanced Functions Scientific Notation Log & Ln Inverse Log Powers & Roots Fixing the number of places after the decimal

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Scientific Notation To enter 5 x 10 4 5 [EE] [+ -] 4 Enter the following and multiply by 20 6 x 10 6 = 1.2x10 8 1.33 x 10 5 = 2.66x10 -4 6.54 x 10 20 = 1.31x10 22
Scientific Notation To set the calculator to return values in scientific notation use 2 nd [SCI] To return to a floating decimal use 2 nd [FLO]

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Log & Ln Log means base 10 x = log(10 x ) Take log of 5.0: enter 5.0, press [log] Take log of 4.0x10 -5 : enter4.0[EE][+ -]5, press [log] Ln means natural log base “e” x = ln(e x ) Take Ln of 0.352: enter 0.352 press [ln]
Inverse Log (or Ln) Inverse log (or antilog) is the value you get

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Unformatted text preview: if you raise 10 (or e) to a power equal to the log. Inverse log of 5.26 means raise 10 to the power of 5.26 to get 10 5.26 enter 5.26 [2 nd ][log] Inverse ln 5.26 means raise e to the power of 5.26 to get e 5.26 enter 5.26 [2 nd ][ln] Powers & Roots To raise a number to a power we use the Y x button. raise 5 to the power of 3 (5 3 ) 5 [Y x ] 3 [=] To take a square root we use the x key. to find 9, enter 9, then x Fixing Decimal Places • To set the calculator to give a specific number of decimal places, use 2 nd [FIX], then enter the number of places. • To return to a floating decimal, use 2 nd [FIX] [FIX] • Set the calculator at 2 decimal places and calculate 1/3. • Multiplication and Division of Exponents 1. (6.78 x 10 3 )(5.55 x 10-4 ) = ___________________ 2. (2.99 x 10-9 ) / (4.03 x 10-6 ) = _________________ 3. (7 x 10 3 ) 4 = _______________________________ 4. (5.00 x 10 5 ) 1/6 = 1 -...
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Math Review - if you raise 10(or e to a power equal to the...

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