Decimals Review (#7-12)

Rita bought three and forty-eight hundredths pounds of bananas at the store. How is this number written in EXPANDED NOTATION?

• (3 x 1) + (4 x 0.1) + (8 x 0.01)

• (3 x 100) + (4 x 10) + (8 x 1)

• (3 x 1) + (4 x 0.01) + (8 x 0.1)

• (3 x 100) + (4 x 0.1) + (8 x 0.01)

In 2008 the total number of cell phone users in Indonesia was about 140,578,000. Which expression has the same value as 140,578,000?

• 100,000,000 + 40,000,000 + 5,000,000 + 700,000 + 80,000

• 100,000,000 + 40,000,000 + 500,000 + 70,000 + 8,000

• 10,000,000 + 4,000,000 + 500,000 + 70,000 + 8,000

• 100,000,000 + 40,000,000 + 500 + 70 + 8

Which statement about the number 726,483.19 is true?

• The digit 9 has a value of (9 x 100).

• The digit 4 has a value of (4 x 100).

• The digit 8 has a value of (8 x 0.1).

• The digit 2 has a value of (2 x 10).

The number 47.06 can be expressed as --

• (4 x 10) + (7 x 1) + (6 x 0.01)

• (4 x 10) + (7 x 1) + (6 x 0.1)

• (4 x 1) + (7 x 1) + (0 x 1) + (6 x 1)

• (4 x 10) + (7 x 1) + (0 x 10) + (6 x 100)

Quinlyn described a number using these clues.

- The value of the digit 7 is (7 x 10)

- The value of the digit 3 is (3 x 1,000)

- The value of the digit 1 is (1 x 100)

Which number could fit in Quinlyn's description?

• 3,175.02

• 93,075.01

• 3,651.70

• 9,372.01

Lillian paid sixty-one dollars and thirty-nine cents for groceries. The digit 3 in this number has a value of --

• (3 x 10) dollars

• (3 x 1) dollars

• (3 x 0.01) dollar

• (3 x 0.1) dollar