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Find correct to one decimal place
$0.31744\div 0.0407$ $\Rightarrow 7.7995086$ $\Rightarrow 7.8$ in one decimal place
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The value of , correct to three significant figures
$\sqrt{42000}=204.93902$ to three significant figures $\sqrt{42000}=205$
See lessto three significant figures
The number , correct to 5 decimal places
1.5714287=1.57143 in five decimal places
1.5714287=1.57143 in five decimal places
See lessThe number , correct to three significant figures
0.0047049=0.0047 in three significant figures
0.0047049=0.0047 in three significant figures
See lessEvaluate
$\dfrac{0.48\times 6.3\times 0.56}{2.8\times 1.2\times 1.8}$ carrying out multiplication $\Rightarrow \dfrac{1.69344}{6.048}$ $\Rightarrow 0.28$
See lesscarrying out multiplication
Reduce each of the number to two significant figures and then evaluate
$\dfrac{0.04211\times 2.44912}{0.047512}$ Reducing to two significant figures $\Rightarrow \dfrac{0.042\times 2.4}{0.048}$ $\Rightarrow \dfrac{0.1008}{0.047512}$ $\Rightarrow 2.121569288$ $\Rightarrow 2.1216$
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Express in standard form
$\dfrac{3.50}{0.0025}$ carrying out division will give $\Rightarrow 1400= 1.4 \times 10^{3}$
See lesscarrying out division will give
Simplify
$2\tfrac{1}{4}\div \left ( 4\div \dfrac{1}{8} of 2\tfrac{2}{3} \right )$ change all mixed number to common fraction $\dfrac{9}{4}\div \left ( \dfrac{4}{1}\div \dfrac{1}{8} of \dfrac{8}{3} \right )$ applying BODMAS $\dfrac{9}{4}\div \left ( \dfrac{4}{1}\times \dfrac{8}{1}\times \dfrac{8}{3} \right )$Read more
See lesschange all mixed number to common fraction
applying BODMAS
Simplify
$1\dfrac{1}{2}-1\div \dfrac{4}{5}+\dfrac{1}{4}$ applying BODMAS $\dfrac{3}{2}-\dfrac{1}{1}\div \dfrac{4}{5}+\dfrac{1}{4}$ $\Rightarrow \dfrac{3}{2}-\dfrac{1}{1}\times \dfrac{5}{4}+\dfrac{1}{4}$ $\Rightarrow \dfrac{3}{2}-\dfrac{5}{4}+\dfrac{1}{4}$ LCM is 4 $\Rightarrow \dfrac{6-5+1}{4}$ $\RightarrowRead more
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LCM is 4
Simplify
$\dfrac{1\tfrac{1}{2}-1\div \frac{4}{5}+\frac{1}{4}}{\frac{4}{3}+\frac{2}{3}}$ applying BODMAS $\frac{\frac{3}{2}-\frac{1}{1}\times \frac{5}{4}+\frac{1}{4}}{\frac{4}{3}-\frac{2}{3}}$ $\Rightarrow \frac{\frac{3}{2}-\frac{5}{4}+\frac{1}{4}}{\frac{4}{3}-\frac{2}{3}}$ $\Rightarrow \left ( \frac{6-5+1}{4Read more
See lessapplying BODMAS