Compacted Unit 1 Review

Rational/Irrational/Convert

100

True or False?  ALL rational numbers can be written as fractions.

True

200

Write 0.2 as a fraction in lowest terms.

1/5

300

Why is

sqrt(2)  irrational?

Because it can't be written as a fraction. 

or

Because it does not end OR repeat

400

Write as a fraction in lowest terms. 

overline.54

 

6/11

500

What is the largest desert in the world?

Antarctica

Writing Scientific Notation

100

Write this in standard notation: 3.61 x 10⁴

36,100

200

What is the capital of China?

Beijing

300

Write this in standard notation: 5.9 x 10⁶

5,900,000

400

Write this in scientific notation.

2,301,000

2.301x10^6

500

Write this in scientific notation.

0.00054

5.4x10^-4

Scientific Notation Operations

100

Multiply and express in scientific notation: 

(2 x 10⁶)(4 x 10²)

What is 8 x 10⁸?

200

Divide and express in scientific notation:

(4.2 * 10^6)/(2 * 10^-2)

What is 2.1 x 10⁸?

300

Add and express in scientific notation:    

 (7.1 x 10²)+(8.604 x 10⁴)

What is 8.675 x 10⁴?

400

How many meters are in a kilometer?

1,000

500

Multiply and express in scientific notation: 

(6.02 x 10²³)(2.7 x 10^-27)

What is 1.6254 x 10^-3?

Exponents/Roots

100

True or False?

(6^8)/(3^3)=2^5

False

200

Simplify using positive exponents.

3x^2*y*4x^4y^-10

(12x^6)/y^9

300

What is a human's largest organ?

Their skin

400

Solve:  x²=289

17 and -17

500

(2x^8y^-2)/(4xy^-6)

(x^7y^4)/2