Standard form quiz

Question 1

Convert 5 * 10⁵ to ordinary form

Answer 1

500 000

Question 2

Convert 5 * 10^-5 to ordinary form

Answer 2

0.00005

Question 3

Convert 123456 to standard form

Answer 3

1.23456 * 10⁵

Question 4

Convert 0.000123 to standard form

Answer 4

1.23 * 10^-4

Question 5

Evaluate 3.5 * 40000 and express in standard form

Answer 5

140000 = 1.4 * 10⁶

Question 6

Evaluate 3.5 * 0.0004 and express in standard form

Answer 6

0.0014 = 1.4 * 10^-3

Question 7

Evaluate 25 * 2 * 10³ and express in standard form

Answer 7

50 * 10³ = 5 * 10⁴

Question 8

Evaluate 25 / 2 * 10³ and express in standard form

Answer 8

12.5 * 10^-3 = 1.25 * 10^-2

Question 9

Evaluate 25 * 2 * 10³ and express in ordinary form

Answer 9

50 * 10³ = 50000

Question 10

Evaluate 25 / 2 * 10⁵ and express in ordinary form

Answer 10

12.5 * 10^-5 = 0.000125