Kira needs 3,000 milligrams of zinc for a science experiment. Which expression can be used to determine how many grams of zinc she needs? *

3

Step-by-step explanation:

remember milli = 1000 g

3000 mg = 3 g

is there a picture

step-by-step explanation:

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!