Whole Number Exponents with Integer Bases
If b is an integer, and x is a whole number, then
bx = b . b . b . b …… b.
b appears as a factor x times
Can the base of an exponent be negative?
The base of an exponent may be negative also. If the exponent is an even integer with a negative base, then the resulting value will be positive as it gets multiplied even number of times.
If the exponent is an odd integer with a negative base, then the resulting value will be negative as it gets multiplied odd number of times.
Let’s see the rules for whole number exponents with integer bases.
Rules for whole number exponents with integer bases
Example: Solve (-4)3
(-4)3 = -4 × -4 × -4 = -64
Example: Solve (-3)4
(-3)4 = -3 × -3 × -3 × -3 = 81
Simplify the following:
Give Your Child The eTutorWorld Advantage
Research has proven that personal online tutoring not just cements school learning, it helps build student confidence. Come to eTutorWorld for Expert Tutors and best K-12 Online Tutoring Services in the comfort and safety of your home at an affordable cost. Find a tutor online for Grade 3-12 Math, Science and English subjects and AP, SAT, SSAT and SCAT Test Prep help and test practice. Get free printable math and science worksheets in pdf format and SCAT Practice Tests. Sign up for a Free Trial Lesson Today!
© 2018 eTutorWorld - Online Tutoring and Test Prep | All rights reserved