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Author: lukeford Added: Fri, 16 May 2008 15:49:35 -0800 Duration: 60http://lukeford.net/blog/?p=2981 The Jewish Exponent is funded by its Jewish Federation and it carefully toes a company line, denying critical voices when necessary. The Forward reports.

To access the complete lesson on this topic, go to http://www.yourteacher.com. Students learn the power rule, which states that when simplifying a power taken to another power, multiply the exponents. For example, (x^2)^3 = x^6. To simplify (6x^6)^2, square the coefficient and multiply the exponent times 2, to get 36x^12.

To access the complete lesson on this topic, go to http://www.yourteacher.com. Students learn that a power of ten is an expression written in exponential form that has a base of ten. For example, 10^3 and 10^(-4) are powers of ten. To write a power of ten, such as 10^3, in standard form, begin with 1.0. Next, since the exponent on the power of ten is positive, move the decimal point to the right 3 places, to get 1000. So 10^3 in standard form is 1000. Note that if the exponent on the power of ten is negative, the decimal on the 1.0 is moved to the left. Students also learn to write a number as a power of ten, such as 0.0000001, by determining the number of places the decimal must be moved to get 1.0, which in this case is 7 places. Next, since the original number is a decimal, the exponent will be negative, so the answer is 10^(-7). Note that if the original number is a whole number, then the exponent will be positive.

To access the complete lesson on this topic, go to http://www.yourteacher.com. Students learn the product rule, which states that when multiplying two powers that have the same base, add the exponents. For example, x^4 times x^3 = x^7. To multiply 6s^3 times 3s^6, multiply the coefficients and add the exponents, to get 18s^9. If there is no exponent on the variable, it can be given an exponent of 1. For example, x can be thought of as x^1.

Author: billwitte Added: Thu, 18 Oct 2007 15:13:06 -0800 Duration: 895Converting between radical notation and rational exponent notation, simplifying expressions containing rational exponents, sing a calculator to find nth roots