Evaluate the rational exponents, Mathematics

Assignment Help:

Evaluate each of the following.

 (a) 251/2

 (b) 321/5

Solution

 (a) 251/2

Thus, here is what we are asking in this problem.

                            251/2  = ?

By using the equivalence from the definition we can rewrite this as,

                           ? 2  =25

Thus, all that we are actually asking here is what number we squared to get 25.  In this case that is (hopefully) simple to get.  We square 5 to get 25. Thus,

                                                    251/2  = 5

 

 (b) 321/5

Thus what we are asking here is what number did we move up to the 5th power to get 32?

                               321/5  = 2               because            25  = 32


Related Discussions:- Evaluate the rational exponents

Fraction word problems, Alan had 6 books. He read 1/3 of books last week. ...

Alan had 6 books. He read 1/3 of books last week. How many books did Alan read last week?

Abstract Algebra, let R be a (noncommutative) ring. Given that a,b and a+b ...

let R be a (noncommutative) ring. Given that a,b and a+b ? R are all units, prove that a^(-1)+b^(-1) is a unit

Evaluate the circumference of the spray, A water sprinkler operates in a ci...

A water sprinkler operates in a circular pattern a distance of 10 ft. Evaluate the circumference of the spray? (π = 3.14) a. 31.4 ft b. 314 ft c. 62.8 ft d. 628 ft

Integration, why we study integration..?? uses

why we study integration..?? uses

Tangents, two circle of radius of 2cm &3cm &diameter of 8cm dram common tan...

two circle of radius of 2cm &3cm &diameter of 8cm dram common tangent

What is angles, What is Angles? An angle is made up of two rays with a ...

What is Angles? An angle is made up of two rays with a common endpoint, which is called the vertex. The sides of the angle are rays. An angle is denoted by "θ". When two li

Geometry, how to make an obtuse scalene triangle FAT with m

how to make an obtuse scalene triangle FAT with m

Harold used a 3% iodine solution and a 20% iodine solution, Harold used a 3...

Harold used a 3% iodine solution and a 20% iodine solution to make a 95- ounce solution in which was 19% iodine. How many ounces of the 3% iodine solution did he use? Let x = t

Pair of straight line, show that one of the straight lines given by ax2+2hx...

show that one of the straight lines given by ax2+2hxy+by2=o bisect an angle between the co ordinate axes, if (a+b)2=4h2

Properties of summation notation, Properties Now there are a couple of ...

Properties Now there are a couple of formulas for summation notation. 1. here c is any number. Therefore, we can factor constants out of a summation. 2. T

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd