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Some Basic Concepts Of Chemistry

Question

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How many significant figures should be present in the answer of the following calculations?

$fraction numerator 0.02856 space cross times space 298.15 space cross times space 0.112 over denominator 0.5785 end fraction$

Solution

As the number of significant figures in the least precise factor is three (viz 0·112), therefore the answer should have 3 significant figures.

Some More Questions From Some Basic Concepts of Chemistry Chapter

What is the number of significant figures in 0.0026?

What is the number of significant figures in 9.984?

Express the Avogadro's number (6·023×10²³) upto three significant figures.

What is the result of (5.472 - 1.12) to the appropriate number of signficant figures?

Express 0.0468 in scientific notation.

What does SI units stand for?

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