Chapter 4 Test Review

FactOR fiction?

100

Write the prime factorization of 385.

5 times 7 times 11

200

Is this a monomial?  Why or why not?

3x + 25

No, because there is addition

300

Is this a monomial?  Why or why not?

15(y)(x^2)

Yes, because it is the product of numbers and variable with whole number exponents

400

Factor the monomial: 

125a^3b^2x

5*5*5*a*a*a*b*b*x

500

Factor the binomial: 

10m - 40

10(m - 4)

My two favorite acronyms

100

Is this number prime or composite: 51

Composite

200

Find the GCF of the monomials: 

72b^4 and 144b^2

72b^2

300

Find the LCM of 

15xy^3 and 35x^3y

105x^3y^3

Simple-minded

100

Write the fraction in simplest form: 

(44abc)/(50a^3b^2)

(22c)/(25a^2b)

200

Simplify.  Write your answer with positive exponents.

(-4/y)^3

-64/y^3

300

(m^5y^3)^2

m^10y^6

400

Simplify and write your answer with positive exponents.

1/(b^3)^4 * b^6/(3b

1/(3b^7)

500

Rewrite the fraction without the fraction bar.

(-7)/(x^4)

-7x^-4

Let's get Science-y

100

Express 34.1324 x 10^-3 in standard form.

.0341324

200

Express 654,232,908 in scientific notation.

6.54232908 x 10⁸

300

Find the product and write your answer in scientific notation. 

(3.2 x 10¹⁵)(9.1 x 10^-10)

2.912 x 10⁶

400

Find the quotient.  Write your answer in scientific notation. 

(6.3 xx 10^-7)/(2.1 xx 10^25)

3 x 10^-32