1.
It’s the Law — the Laws of Exponents
Since 1 / (1/x) is just x, a negative exponent just moves its power to the other side of the fraction bar. So x−4 = 1/(x4), and 1/(x−4) = x4. ...
2.
It’s the Law — the Laws of Exponents
The laws of exponents and radicals, and how to remember them (Stan Brown) ... Visit my other Math Articles. Want to show your appreciation? ...
3.
It’s the Law — the Laws of Exponents
Powers of Powers: Now You Try It! The Zero Exponent: Now You Try It! Radicals: Fractional or Rational Exponents | Now You Try It! ...
4.
It’s the Law — the Laws of Exponents
A negative exponent means to divide by that number of factors instead of multiplying. So 4−3 is the same as 1/(43), and x-3 = 1/x3. ...
5.
It’s the Law — the Laws of Exponents
One way is to say that x8÷x6 = x8(1/x6), but using the definition of negative exponents that’s just x8(x-6). Now use the product rule (two powers of the ...
6.
Case Study: Gardasil Vaccine
How inferential statistics tells us whether a vaccine is effective, using a significance test of the difference in proportions between two populations (Stan ...
7.
Adding Vectors Graphically on the TI-83/84
How to use the TI-83 or TI-84 to add vectors graphically, with a downloadable program (Stan Brown)
8.
It’s the Law Too — the Laws of Logarithms
Natural logs are logs, and follow all the same rules as any other logarithm. ... Then the second term can use the power rule, log5(x²) = 2 log5x. ...
9.
Converting CDs to iTunes Audiobooks
What Difference Does It Make? iTunes and iPod treat audiobooks differently from other audio files in these ways:. Audiobooks are automatically bookmarked: ...
10.
Math Sites and Software
General Math. FAQs / Reference. FAVORITE: Eric’s Treasure Trove of Mathematics is an excellent starting point when you need the definition of a math term, ...