Decimals Expanded Standard Word

What is the expanded form of 7.045?

• 7+ 0.4 +.05

• 7+.04 +.05

• 7+.04+.005

• 7+.045

Which correctly shows the expanded notation of 34.78?

• (3 x 10) + (4 x 1) + (7 x ¹/₁₀) + (8 x ¹/₁₀₀)

• (3 x 100) + (4 x 1) + (7 x ¹/₁₀) + (8 x ¹/₁₀₀)

• (3 x 10) + (4 x 1) + (7 x 10) + (8 x 100)

• (3 x 100) + (4 x 10) + (7 x ¹/₁₀) + (8 x ¹/₁₀₀)

What is the value of 9,450 ÷ 100?

• 94.5

• 945

• 94,500

• 945,000

Compare the following decimals:

38.042 ___ 38.42

• <

• >

• =

• not here

Four students are traveling to a math contest. The table shows the weights of the four students' suitcases. What is the order of the weights of the suitcases in pounds from greatest to least?

• 21.605

  24.8

  21.48

  24.75

• 24.8

  24.75

  21.48

  21.605

• 24.8

  24.75

  21.605

  21.48

• 21.48

  21.605

  24.75

  24.8

Round the decimal 5.67 to the nearest tenth place.

• 5.5

• 5.6

• 5.7

• 5.8

What is the standard form for:

(2 x 1) + (8 x 10) + (2 x .001) + (9 x .01) + (7 x 1/10)

• 28.297

• 82.792

• 82.291

• 82.972

Add the following the decimals:

6.1 + 1.9 =

• 8.0

• 7.9

• 6.9

• 8.1

Subtract the following decimals:

9.8 - 8.2 =

• 1.6

• 1.5

• 1.4

• 1.35

89.432 x 10^-3

• .089432

• 8.9432

• 89,432

• 8,942.3