Exponents and Scientific Notation · Try It 12

Perform the operations and write the answer in scientific notation.

ⓐ $\left(-7.5\times 10^8\right)\left(1.13\times 10^{-2}\right)$
ⓑ $\left(1.24\times 10^{11}\right)÷\left(1.55\times 10^{18}\right)$
ⓒ $\left(3.72\times 10^9\right)\left(8\times 10^3\right)$
ⓓ $\left(9.933\times 10^{23}\right)÷\left(-2.31\times 10^{17}\right)$
ⓔ $\left(-6.04\times 10^9\right)\left(7.3\times 10^2\right)\left(-2.81\times 10^2\right)$

OpenStax, Algebra and Trigonometry 2e · §1.2 Exponents and Scientific Notation · Try It 12