Question 2
In which of the following expressions only numbers are used: (a) y + 3 (b) (7×20)−8z (c) 5(21−7)+7×2 (d) 5 (e) 3x (f) 5-5n (g) (7×20)−(5×10)−45+p
Which out of the following are expressions with numbers only?
(a) y + 3 (b) (7 × 20) − 8z
(c) 5 (21 − 7) + 7 × 2 (d) 5
(e) 3x (f) 5 − 5n
(g) (7 × 20) − (5 × 10) − 45 + p