Multiply. Write the result in scientific notation.
(1.4 • 101)(8 • 104)
A. 9.4 • 104
B. 9.4 • 105
C. 1.12 • 105
D. 1.12 • 106
To multiply two numbers in scientific notation, we multiply the coefficients and add the exponents.
(1.4 • 10^1)(8 • 10^4) = (1.4 • 8)(10^1 • 10^4) = 11.2 • 10^5
The result in scientific notation is option C: 1.12 • 10^5.