Test 1 MM Lesson 1.1

Which set of numbers does not include 0?

• Whole numbers

• Real numbers

• Integers

• Natural numbers

Which name does not apply to 7/8?

• Rational

• Real

• Whole

• All answers are correct.

Which number is prime?

• 1

• 33

• 37

• 63

4. 105 written as product of its prime factor is:

• 7 x 5 x 3

• 7 x 5 x 2 x 1

• 11 x 5 x 3

• 7 x 5 x 3 x 2

List the prime factors of 32

• 2, 4, 8

• 2

• 2, 16

• 32 is a prime number.

Choose the correct answer.

2312 / 8 = ?

• 279

• 258

• 299

• 289

245 x 321 = ?

• 61532

• 78645

• 61233

• 60541

0.38923 x 10^4 = ?

• 3.8923

• 38.923

• 389.23

• 3892.3

• 87.5

• 8.75

• 0.875

• 0.0875

Write 0.004078 in scientific notation.

• 4.078 x 10^{-3}

• 4.078 x 10^3

• 40.78 x 10^{-4}

• 0.4078 x 10^{-2}