Ordering Rational numbers

Order the following from least to greatest.  
1/2, 2%, 2.1 x 10^-2, 0.20

• 2%, 2.1 x 10^-2, 1/2, 0.20

• 2%, 2.1 x 10^-2, 0.20, 1/2

• 0.20, 1/2, 2%, 2.1 x 10^-2

• 2.1 x 10^-2, 1/2, 0.20, 2%

Put the following in descending order.
4.05 x 10¹, 45%, 3/4, 0.075

• 4.05 x 10¹, 45%, 3/4, 0.075

• 3/4, 45%, 0.075, 4.05 x 10¹

• 4.05 x 10¹, 3/4, 45%, 0.075

• 45%, 0.075, 4.05 x 10¹, 3/4

Which of these numbers is the least?

• 9 x 10⁴

• 3.01 x 10⁹

• 1.2 x 10⁴

• 1.901 x 10⁴

What is 2.304 x 10^-2 in standard form?

• 230.4

• 23.04

• 2,034

• .02304

What is 405,654,000 in scientific notation?

• 4.05654 x 10⁸

• 40.5654 x 10⁸

• 4.05 x 10⁸

• .405654 x 10⁸

Order the following from greatest to least.
3/4, 4/5, 4/9, 1/2

• 4/9, 1/2, 3/4, 4/5, 

• 4/5, 4/9, 1/2, 3/4

• 4/5, 3/4, 1/2, 4/9

• 3/4, 4/5, 4/9, 1/2

List in order from least to greatest.
5/4, 56%, 1.07, 4/5

• 5/4, 56%, 1.07, 4/5

• 1.07, 4/5, 5/4, 56%

• 56%, 1.07, 4/5, 5/4

• 56%, 4/5, 1.07, 5/4

10^-2 is equivalent to:

• -1/10  x -1/10

• -10 x -10

• .01

• 1/10

10⁰ = 

• 10

• 0

• 100

• 1

Which of the following is equivalent to 0.023

• 23/100

• 2/10

• 23%

• 2.3 x 10^-2