2.524 g (5.1 * 106 g) : (6.85 * 103 g) = ? How many significant figures should the result have?

The correct answer is Three. Solving the given expression we get,

2.524 g (5.1 * 106 g) : (6.85 * 103 g) = 1364.47: (6.85 * 103 g) = 1364.47: 705.55 = 1.93

Here, the number of significant figures is three. Thus, the result should have three significant figures.

I just did it the answer is actually 2