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Flashback 8-20-12 Convert interval notation to inequality notation. 1.[-2, 3] 2. (-∞, 0) Convert inequality notation to interval notation. 3.-4 ≤ x ≤ 4 4. 2< x < 5 5. Give the interval and inequality notations for the following graph: -3 5

Flashback 8-20-12 Convert interval notation to inequality notation. 1.[-2, 3]2. (-∞, 0) Convert inequality notation to interval notation. 3.-4 ≤ x ≤ 44

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Flashback 8-20-12Convert interval notation to inequality notation.[-2, 3]2. (-, 0)

Convert inequality notation to interval notation.-4 x 44. 2< x < 5

5. Give the interval and inequality notations for the following graph:

-35Joke of the dayIf you had 4 apples and 5 oranges in one hand and 6 apples and 7 oranges in the other, what would you have?

A: Very large hands.

Rules of ExponentsExponent is 0Exponent is 1Product of same baseQuotient of same basePower to a powerQuotient to a powerProduct to a powerb0= 120 = 1b1= b21 = 2bmbn = bm+n2526 = 230bm/bn = bm-n25/22 = 23 (bm)n = bmn(22)3 = 26(b/c)m = bm/cm ( 2/3 )3 = 23/33(bc)m = bmcm(3*4)2 = 32*42

You trySimplify(x3)(x4)

Simplify(x2)4

Simplify[(3x4y7z12)5(5x9y3z4)2]0Scientific NotationGives us a way of working with very large or very small numbers.Only for positive numbersForm: c x 10m where 1 c 9 and m is an integerExamples93,000,000 = 9.3 x 107 0.000 000 000 000 000 000 000 053 = 5.3 x 10-23Converting to decimal formWhen the exponent on the 10 is positive, we have to move the decimal point to the right to get the decimal form.

When the exponent on the 10 is negative, we have to move the decimal point to the left to get the decimal form.

Examples2.375 x 108 = 237,500,0005.63 x 10-15 = 0.000 000 000 000 005 63So what?(370,000)(4,500,000,000)/18,000 = ( 3.7 x 105)(4.5 x 109)/(1.8 x 104) = (3.7 x 4.5 / 1.8)(105+9-4 )= (3.7 x 4.5 / 1.8)(1010 )= 9.25 x 1010

Exit SlipSimplify X3y2 X2y4

2. Simplify (2,400)(130) 18,0003. Simplify 3.2 x 107 1.6 x 105