It's 0.28 because 7 is greater than 4 so you round the number before that up by 1
I think the population of china is around 17%
Add seven: +7
to the product of number and 10: 10z
together 10z+7
choose C
An <em>imaginary number</em>. The defining property of an imaginary number is that has the number i attached to it, where i² = -1.
A few examples of imaginary numbers: 3i, i, -7i, (√3)i, (1/2)i