🔄 7.2A Let's Review

Choose the number: seven hundred and twenty-three thousand, six hundred and five.

• 723,605

• 732,605

• 723,650

• 726,305

305,090 in words:

• Three hundred and five thousand and ninety

• Three hundred and fifty thousand and ninety

• Three hundred and five thousand and nine

• Thirty thousand five hundred and ninety

Which is greater: 804,099 or 840,009?

• 804,099

• 840,099

• 804,909

• 840,009

Order these numbers from smallest to largest:

• 945,120

• 459,120

• 495,210 0

• 549,210

Which number is a square number.

• 36

• 38

• 40

• 44

• 48

Is 64 a square number? If yes, what number multiplied by itself equals 64?

• Yes, 64 is a square number. 8 multiplied by itself equals 64.

• No, 64 is not a square number. 7 multiplied by itself equals 64.

• Yes, 64 is a square number. 7 multiplied by itself equals 64.

• No, 64 is not a square number. 8 multiplied by itself equals 64.

List all the factors of 36.

• 1, 2, 3, 4, 6, 9, 12, 18, 36

• 1, 2, 4, 6, 8, 12, 18, 36

• 1, 2, 3, 6, 9, 18, 36

• 1, 2, 3, 4, 6, 8, 12, 24, 36

Which number has more factors: 30 or 31?

• 30 has more factors than 31.

• 31 has more factors than 30.

• Both have the same number of factors.

• Neither has any factors.

Write 1,000,000 in base 10 expanded form.

• 1 × 10⁶

• 1 × 10⁵

10. Which of these numbers is not made using only the digits 0–5?

   

• 504,120

• 512,305

• 543,220

• 604,030