Question

Write and solve a proportion to answer the question.
What number a is 0.4% of 40?

Answer 1

0.4% of 40 = 0.16

Explanation:

Now we have to,

→ find the number 0.4% of 40.

Let's solve the problem,

→ 0.4% of 40

→ (40/100) × 0.4

→ 0.4 × 0.4

→ (0.4)²

→ 0.16

Hence, the answer is 0.16.