Daily Practice - Foundation Plus

Grouped data has five classes of width 10, the first being 0 < x ≤ 10. The frequencies in order are 16, 11, 21, 7, 3. Write down the modal class.Grouped data has five classes of width 10, the first being 0 < x <= 10. The frequencies in order are 16, 11, 21, 7, 3. Write down the modal class.

Write 4¹² x 4³ as a single power of 4.Write 4^12 x 4^3 as a single power of 4.

The lines y = -3x - 8 and y = -2x - 4 are drawn. Write down the coordinates of the point where they cross.

Write the ratio 6 : 12 in the form 1 : n.

A cylinder has radius 6 cm and height 16 cm. Work out its curved surface area, to 1 decimal place.