Question
Express $93\ mm$ as cm using decimal.

Answer

$93\ mm = (90 + 3)\ mm = 90\ mm + 3\ mm$
$= \frac { 90 } { 10 } { \mathrm { \ cm } } + \frac { 3 } { 10 } \mathrm{cm}..............[ \because 1\ mm = \frac { 1 } { 10 }\ cm]$
$= 9 \ cm + 0.3 \ cm$
$= (9 + 0.3) \ cm = 9.3 \ cm$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free