## Question 23

If a student measured the length of a table to be 2.30m instead of 2.50m. What was the percentage error in measuring the length of the table?

Maths is funny

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If a student measured the length of a table to be 2.30m instead of 2.50m. What was the percentage error in measuring the length of the table?

Express the product of 0.00043 and 2000 in standard form

$\begin{align} & \text{Evaluate }\frac{1.25\times 0.025}{0.05},\text{ correct to 1 decimal place} \\ & \text{(A) 0}\text{.6 (B) 6}\text{.2 (C) 6}\text{.3 (D) }0.5 \\\end{align}$

Evaluate $\tfrac{21}{9}$to 3 significant figures

Express the product 0.21 and 0.34 in standard form

A student measures a piece of rope and found that it was 1.26m long. If the actual length of the rope was 1.25m, what was the percentage error in the measurement?

Express 123456 to 3 significant figure

Evaluate $\frac{{{(0.5625)}^{2}}-{{(0.4375)}^{2}}}{0.04}$ correct to 3 significant figures

Evaluate $\frac{0.21\times 0.72\times 0.00054}{0.006\times 1.68\times 0.063}$ correct to four significant figures.

Evaluate $\frac{{{(0.14)}^{2}}\times (0.275)}{7(0.02)}$ correct to 3 decimal places.