Question

Find the product of 21 and (6.3 • 10-4)

Answer 1

It would be: 21 * (6.3 * 10⁻⁴)
= 132.3 * 10⁻⁴
= 1.323 * 10⁻²

In short, Your Answer would be: 1.323 * 10⁻²

Hope this helps!