2.05 The laws of exponents and scientific notation
Interactive practice questions
Use scientific notation to complete the expression.
$1\times10^{-2}\times2\times10^{-5}$1×10−2×2×10−5 $=$= $2\times\editable{}$2×
Easy
< 1min
Consider the expression $3\times10^5\times7\times10^2$3×105×7×102.
Easy
1min
Evaluate $\left(4.3\times10^{13}\right)\times\left(1.3\times10^{-6}\right)$(4.3×1013)×(1.3×10−6), expressing your answer in scientific notation form.
Medium
1min
Simplify $\left(9.3\times10^{12}\right)\times\left(8.4\times10^8\right)$(9.3×1012)×(8.4×108).
Give your answer using scientific notation.
Medium
1min
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