Question

Are there less than 1 million, exactly 1 million, or greater than 1 million milligrams in 1 kilogram? Explain how you know

Answer 1

It is exactly one million milligrams

Answer 2

Okay! Metric system.
K(kilo)
H(hecto)
D(eca)
B(gram, liter, etc.)
d(deci)
C(centi)
M(milli)

Since we have to go from Milli to Kilo, we count the number of spaces between them. 6 spaces. 6 zeroes. Slap a one onto that (since it's one kilo and one milli)
and you've got 1000000. One Million. It's not 0.000001 because it goes up, or if it were horizontal, to the left, meaning the decimal point goes to the right. (yes, confusing. it's hard to explain without visuals) This sounds really confusing, and even reading back at it, it's confusing for me, but I'm not good at explaining. Sorry.