Chapter P.3, Problem 48E

### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742

Chapter
Section

### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742
Textbook Problem
1 views

# SKILLS Plus48. Signs of Numbers Let a , b , and c be real numbers with a > 0 , b < 0 , and c < 0. Determine the sign of each expression. (a) b 5 (b) b 10 (c) a b 2 c 3 (d) ( b − a ) 3 (e) ( b − a ) 4 (f) a 3 c 3 b 6 c 6

To determine

a)

The sign of the given expression b5.

Explanation

Calculation:

It is given that a>0,b<0,andâ€‰â€‰c<0.

Here, b is negative.

So,

b5=

To determine

b)

The sign of the given expression b10.

To determine

c)

The sign of the given expression ab2c3.

To determine

d)

The sign of the given expression (ba)3.

To determine

e)

The sign of the given expression (ba)4.

To determine

f)

The sign of the given expression a3c3b6c6.

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