1.

Express the following as cm using decimals.(a) 2 mm     (b) 30 mm     (c) 116 mm     (d) 4 cm 2 mm     (e) 162 mm(f) 83 mm

Answer» We know, 1cm=10mm
a)2mm=2/10cm=0.2cm
b)30mm=30/10cm=3cm
c)116mm=116/10=11.6cm
d)4cm2mm=4cm+2/10cm=4+0.2cm=4.2cm
e)162mm=162/10cm=16.2cm
f)83mm=83/10cm=8.3cm.


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