2.05 The laws of exponents and scientific notation
Interactive practice questions
Use scientific notation to complete the expression.
$1\cdot10^{-2}\cdot2\cdot10^{-5}$1·10−2·2·10−5 $=$= $2\cdot\editable{}$2·
Easy
< 1min
Consider the expression $3\cdot10^5\cdot7\cdot10^2$3·105·7·102.
Easy
1min
Evaluate $\left(4.3\cdot10^{13}\right)\cdot\left(1.3\cdot10^{-6}\right)$(4.3·1013)·(1.3·10−6), expressing your answer in scientific notation form.
Medium
1min
Simplify $\left(9.3\cdot10^{12}\right)\cdot\left(8.4\cdot10^8\right)$(9.3·1012)·(8.4·108).
Give your answer using scientific notation.
Medium
1min
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