Question about Texas Instruments TI-89 Calculator

# Negitive powers How do you enter a negitive power on the t89 calculator. example: 10 to the -3rd power

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### Anonymous

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Use the ^ key to insert a power (it's located above the division key) then put a negative power by typing the negative key (located at the very bottom right of the keypad next to the ENTER key) and then the number of the power.

10^-3

If this doesn't give the right result, put the negative power in parentheses. I can't remember off hand if you need to do that or not.

10^(-3)

Posted on Jan 19, 2009

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