A piece of mass 36.81 kg is cut from a block of 4.0 xx 10^2 kg. Calculate the mass of the remaining block upto proper significant figures.

A piece of mass 36.81 kg is cut from a block of 4.0 xx 10^2 kg. Calcul

1.	A piece of mass 36.81 kg is cut from a block of 4.0 xx 10^2 kg. Calculate the mass of the remaining block upto proper significant figures.
Answer» <html><body><p></p>Solution :The mass of the block = `4.0 <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> 10^2` kg (one decimal place) <br/> The mass of the <a href="https://interviewquestions.tuteehub.com/tag/piece-1154494" style="font-weight:bold;" target="_blank" title="Click to know more about PIECE">PIECE</a> cut = 36.81 kg (<a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> decimal places) <br/> Since, the least precise number has only one decimal place, the final result should also have one decimal place. <a href="https://interviewquestions.tuteehub.com/tag/therefore-706901" style="font-weight:bold;" target="_blank" title="Click to know more about THEREFORE">THEREFORE</a>, the mass of the remaining block: <br/> `4.0 xx 10^(2) kg -36.81 kg` <br/> `=363.19 kg = 3.6 xx 10^(2)` kg</body></html>