Answer:
≈ 1680
Explanation:
23.4 ≈ 23
13.9 ≈ 14
0.18 ≈ 0.2
24×14/0.2 =
= 336/(2/10)
= 3360/2
= 1680
(23 x 14 )/ .2 = 1610
3.3m questions
4.2m answers