To divide by powers of 10, you subtract the exponents.
Therefore, 3.2 x 10^4 ÷ 1.95 x 10^6 equals 3.2 ÷ 1.95 x 10^(4-6) which simplifies to 0.001641 x 10^(-2).
Finally, 0.001641 x 10^(-2) can be written as 1.641 x 10^(-5) in scientific notation.
Divide 3.2 x 104 ÷ 1.95 x 106
2 answers
Divide 8.03 x 10-8 ÷ 2.56 x 104