Question

Express it in scientific notation.

All answers should have the correct number of significant figures.

(6.93 x 101) (2.0 x 10-4) = _____

Answer 1

1.4 x 10^-2.

Explanation:

Answer 2

Multiplying the values given above we obtain a value of 0.01386. In scientific notation, 1.386 x 10^-2. The significant figures of a number are digits that carry meaning contributing to its measurement resolution. From the multiplicand and the multiplier, the least number of significant significant figure would be one. Therefore, we write as

1.0 x 10^-2