- #1
faisal
- 46
- 0
assistance required for following please
3 questions that have driven me up the wall
0.5km2 is the same area as
a)5x10*6m2
b)5x10*12mm2
c)5x10*9cm2
d)5x10*13mm2
10*6m=1km2
0.5x10*6= 500,000 the answer is a) i don't understand what iv done wrong
q2
0.04m3 is the same volume as
a)4x10*6mm3
b)40dm3
c)4x105cm3
d)4x10*2dm3
in 1m3=10*9mm
1x10*9x0.04=4x10*7??
the answer is a)
5x10*8mm2 is the same as
a)500cm2
b)5x10-4km2
c)5m2
d)5x10-2m2
my workings
10*6mm=1m2
1/10*6=1x10-6
1x10-6x5x10*8=5x10*2
the answer is d my answer doesn't come as -2 as it should
3 questions that have driven me up the wall
Homework Statement
0.5km2 is the same area as
a)5x10*6m2
b)5x10*12mm2
c)5x10*9cm2
d)5x10*13mm2
Homework Equations
10*6m=1km2
The Attempt at a Solution
0.5x10*6= 500,000 the answer is a) i don't understand what iv done wrong
q2
Homework Statement
0.04m3 is the same volume as
a)4x10*6mm3
b)40dm3
c)4x105cm3
d)4x10*2dm3
Homework Equations
in 1m3=10*9mm
1x10*9x0.04=4x10*7??
The Attempt at a Solution
the answer is a)
Homework Statement
5x10*8mm2 is the same as
a)500cm2
b)5x10-4km2
c)5m2
d)5x10-2m2
my workings
10*6mm=1m2
1/10*6=1x10-6
1x10-6x5x10*8=5x10*2
the answer is d my answer doesn't come as -2 as it should