Real Numbers
Multiplying
Dividing
Powers
Simplifying and Converting Rational Exponents
100

What kind of number is pi?

Irrational

100

3a4 x 4a3

12a7

100

r/ r4

r3

100

(x1/2 )4

x2

100

Convert from exponential form to radical form:

x3/8

The eighth root of x3

200

What is the first whole number?

Zero

200

(2y)(5y3)(-7y-2)

-70y2

200

a2b5 / ab2

ab3

200

(x-2y-4)-2

x4y8

200

Convert from radical form to exponential form:

The 4th root of x9

x9/4

300

Is 1.65656565..... a rational number?

Yes

300

16c-6 x  .5c-2

8c-8 = 8/c8

300
24x6y-3z7 / 3x6y4z5

8z2/y7

300

(x4y-4)-2

y8/x8

300

Simplify to both exponential and radical form:

(x1/3 )(x4/3)


x5/3 = cubed root of x5

400

Is -1.2 an integer?

Yes

400

-4(rs)(-5r6s-3)

20r7s-2= 20r7/s2

400

r-3s-2t/ r-6s5t8

r3 / r7

400

(r10s8)2 + (r5s4)4

2r20s16

400

Simplify to both exponential and radical form:

(the 3rd root of r2) x (the fifth root of r8)

r2/3 x r8/5 = r34/15 = the fifteenth root of r34

500

Is the square-root of 256 rational or irrational?

Rational

500

12(x)(-.25x2y-5)(4x-3y7)

12x0y2 = 12y2

500

(xyz3 / 52x9y4z6)0

1

500

((a-1b5c-2)-2 / (a4b-2c-2)-3)3

a42/ b48c6

500

Simplify to both exponential and radical form:

(the 4th root of r8)2 / (the 3rd root of r)2

(r2)/ (r1/3)2 = r4 / r2/3 = r10/3 = the cubed root of r10