0.75 kg to mg 0.75 kg x 1000000mg 1kg i multiplied 1000000x0.75 by hand and came up with the wrong answer don't know what i did wrong 0750000.00 by I know the answer should be 7.5 x 10^5 Please help me understand this
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Your result is the same as the given result in scientific notation. $\displaystyle 0.75\text{ kg}\cdot\frac{10^6\text{ mg}}{1\text{ kg}}=0.75\times10^6\text{ mg}=7.5\times10^5\text{ mg}$
1500 millimeters to km 1500 mm x 1 km 10^6 1.5 x 10^5 is the answer I am not sure if this is right
$\displaystyle 1.5\times10^3\text{ mm}\cdot\frac{1\text{ km}}{10^6\text{ mm}}=1.5\times10^{-3}\text{ km}$
where did you get 10 ^3 from
$\displaystyle 1500=1.5\times10^3$
ok now did you subtract the exponents 3-6=-3
why did you make 10^6 to 10^5 Please explain this one too
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