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Pearson Algebra 1 Common Core, 2011 View details

6. Exponential Functions

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Exercise 17 Page 457

Substitute 18 for w.

-3.44 * 10^(10)

Practice makes perfect

Using the function h(w), we want to evaluate for the given value, h( 18). To do this, we need to substitute 18 for w in each instance of the w-variable.

h(w)=-0.5*4^w

Substitute

w= 18

h( 18)=-0.5 * 4^(18)

CalcPow

Calculate power

h(18) = -0.5 * 68 719 476 736

Multiply

h(18) = -‭34 359 738 368

‬Write in scientific notation

h(18) = -3.4359738368 * 10^(10)

RoundDec