Approximation and Errors

Hong Kong

Stage 1 - Stage 3

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.

Easy

1min

Evaluate $\left(5.2\times10^{20}\right)\times\left(9.6\times10^{12}\right)$(5.2×1020)×(9.6×1012), expressing your answer in scientific notation form.

Easy

1min

Sign up to access Practice Questions

Get full access to our content with a Mathspace account