Question #2d197

2 Answers
Aug 31, 2017

#0.085m#

Explanation:

#100cm = 1m#

#1cm = 0.01m#

#0.01 xx 8.5 = 0.085m#

#8.5×10^(-2)m#

#= 0.085m#

Explanation:

As we know
#1m=100cm# (unit conversion)

or we could say
#1cm= 1xx10^(-2)m#

multiply by #8.5# to both L.H.S & R.H.S to get

#8.5cm= 8.5 xx10^(-2)m#