Write 6,400,000 in standard form

Factorise: x² + 4x - 77

Hypotenuse = 20cm, angle = 40°. Find adjacent side. Give your answer to 2 decimal places

Simplify: 8:12:8

The mean of 6 numbers is 22. If 5 of them are 22, 28, 28, 22, 23, what is the missing number?

Write 150,000 in standard form

Factorise: x² - 10x + 16

Adjacent = 11cm, angle = 31°. Find opposite. Give your answer to 2 decimal places

Divide 182 in the ratio 1:3:3

The mean of 4 numbers is 30. If 3 of them are 40, 21, 25, what is the missing number?

Write 0.00013 in standard form

Factorise: x² - 4x - 21

Hypotenuse = 16cm, angle = 50°. Find adjacent side. Give your answer to 2 decimal places

Simplify: 12:12:6

Calculate the mean of: 10, 39, 11, 16, 18, 8, 23. Give your answer to 2 decimal places

Write 40,000,000 in standard form

Factorise: x² - 4x - 32

Adjacent = 27cm, angle = 56°. Find opposite. Give your answer to 2 decimal places

Express the second part of 10:13 as a fraction in simplest form

Calculate the mean of: 10, 21, 40, 14, 15, 7. Give your answer to 2 decimal places

Write 0.0027 in standard form

Factorise: x² + 13x + 12

Hypotenuse = 36cm, angle = 55°. Find adjacent side. Give your answer to 2 decimal places

Simplify: 9:12:6

The mean of 5 numbers is 40. If 4 of them are 40, 43, 33, 39, what is the missing number?