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 Algebra Pre-Algebra and Basic Algebra Math Forum

 April 15th, 2014, 10:53 AM #1 Newbie   Joined: Apr 2014 From: nevada Posts: 3 Thanks: 0 Calculator Help I can do some of the problems on this, but some I can't figure out. The answers on these listed I am getting wrong, I covered up the ones I know. I am obviously making a mistake typing them in my calculator. The ones with the e not in the exponent but the base, I can't figure out how to enter that. I use 2nd-LN for e^. Any help? My calculator is a ti-30
 April 15th, 2014, 01:07 PM #2 Newbie   Joined: Apr 2014 From: nevada Posts: 3 Thanks: 0 I got it almost all figured out! One last question, how do i get the "e" in the exponent like that? I don't think it's 2nd->LN because that would put it at e^ again. ?
 April 15th, 2014, 01:12 PM #3 Global Moderator     Joined: Oct 2008 From: London, Ontario, Canada - The Forest City Posts: 7,929 Thanks: 1124 Math Focus: Elementary mathematics and beyond Use e^1.
 April 15th, 2014, 01:59 PM #4 Newbie   Joined: Apr 2014 From: nevada Posts: 3 Thanks: 0 The answer is coming out wrong. im posting it in 2 pictures so you can see the whole problem i typed in.
 April 15th, 2014, 02:35 PM #5 Global Moderator     Joined: Oct 2008 From: London, Ontario, Canada - The Forest City Posts: 7,929 Thanks: 1124 Math Focus: Elementary mathematics and beyond You need to use brackets: $\displaystyle 10^{3e-5\sqrt2}$ is 10^(3e^1-5sqrt(2)).

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