Number and numeration

Question 1 of 10

The product of two consecutive positive even numbers is 168. Find the smaller number.

Question 2 of 10

Find the value of 17 (mod 5).

Question 3 of 10

Express 0.000 62 in standard form.

Question 4 of 10

Simplify √48 + √27.

Question 5 of 10

Find the value of x if 2x₅ = 13 in base ten (2x₅ means 2 followed by digit x in base five).

Question 6 of 10

Convert 47 to base two.

Question 7 of 10

Find the value of 2.5% of GH¢4,800.

Question 8 of 10

Express 0.0004572 correct to 2 significant figures in standard form.

Question 9 of 10

Convert 0.375 to base two.

Question 10 of 10

Express 1.25 as a fraction in lowest terms.