Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2008-10-10 04:26:17
- atut
- Member
- Registered: 2008-04-23
- Posts: 30
Really really hard maths
The question is:
16 to the power of half. Evaluate it
I do not know how to work it out so can someone please answer it for me.....
:P:mad:
::cool:
Last edited by atut (2008-10-10 04:26:39)
Offline
#2 2008-10-10 04:29:16
- TheDude
- Member
- Registered: 2007-10-23
- Posts: 361
Re: Really really hard maths
Fractional powers are the same as roots. In this case, a number to the power 1/2 is equivalent to the square root.
Wrap it in bacon
Offline
#3 2008-10-10 07:03:35
- technique09
- Member
- Registered: 2008-10-04
- Posts: 14
Re: Really really hard maths
TheDude makes a good point.
The answer is plus or minus 4.
Last edited by technique09 (2008-10-10 07:04:16)
Offline
#4 2008-10-10 08:32:24
- MathsIsFun
- Administrator
- Registered: 2005-01-21
- Posts: 7,711
Re: Really really hard maths
Yes. See: Fractional Exponents
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
Offline
Pages: 1