How can i consider 400ml of marine short the proper equipment?

i have a science fair project and it say to measure out 400 ml of water but i don't enjoy anything to measure with. what do i do?

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Answers:

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you can weigh it if u own scales. 400ml=400g

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one ounce is 30 cc and there are 8 ounces in a cup bear it from there

ml and cc are the same

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