Question

Using significant digits, determine the product of 3.865 and 2.4.

Answer 1

D:9.3

Explanation:

The other person is right but forgot to round the last number, for significant numbers.

Answer 2

3.865 - has 4 significant digits.

2.4 - has 2 significant digits.

Product = 3.865 × 2.4 = 9.276

So,

9.276 has 4 significant digits.