Question

what is (1.9x10 exponent 3)x(2.3x10 exponent 4)?
a.4.2x10exponent7
b.4.37x10exponent7
c.4.2x10exponent12 d.4.37x10exponent12

Answer 1

When you type, use the ^ symbol to mean raised to a power.
For example, 5 tot eh 2nd power is 5^2.
Also, use * for multiplication instead of the letter x.

Your problem is:

(1.9 * 10^3) * (2.3 * 10^4)

Correct?

Answer 2

yes