7 x 10^-8 x 6 x 10^-8

Answer 1

To multiply two numbers in scientific notation, you multiply their coefficients and add their exponents.

7 x 10^-8 x 6 x 10^-8 = (7 x 6) x (10^-8 x 10^-8) = 42 x 10^-16 or 4.2 x 10^-15