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Intermediate Algebra

OPENSTAX

$Math Studyset 91影视 Explanations$ Math

OER 2017 Edition 路 1346 pages

ISBN: 9780998625720

Chapter 5: Q. 170 (page 523)

In the following exercises, multiply or divide as indicated. Write your answer in decimal form.
(a) $(3 脳 10^{- 5}) (3 脳 10^{9})$ (b) $\frac{7 脳 10^{- 3}}{1 脳 10^{- 7}}$

Short Answer

Expert verified

(a) Multiplied result is 90000

(b) Divided result is 70000

Step by step solution

01

part (a) Step 1 Given information

$(3 脳 10^{- 5}) (3 脳 10^{9})$

02

part (a) Step 2

$(3 脳 10^{- 5}) (3 脳 10^{9}) = 3 脳 3 脳 10^{- 5 + 9} = 9 脳 10^{4} = 90000$

03

part (b) Step 1 Given information

$\frac{7 脳 10^{- 3}}{1 脳 10^{- 7}}$

04

part (b) Step 2

$\frac{7 脳 10^{- 3}}{1 脳 10^{- 7}} = \frac{7}{1} 脳 10^{- 3 + 7} = 7 脳 10^{4} = 70000$

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$Find the sum: (14 y^{2} + 6 y - 4) + (3 y^{2} + 8 y + 5)$

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