Mass = density* volume
since density= mass/volume then mass/volume*volume=mass
= 4.5*0.4 = 1.80g
The answer is 5:) you first have to cross multiply then divide both sides from x
The product of −3 1/4 and −1 1/2 as a mixed number is
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The product of −3 1/4 and −1 1/2 as a simplified form is 
<h3>What is products and mixed numbers?</h3>
Thew products between two terms can be described as the multiplication operation of the the two terms to give a term which is been performed by the use of the operation sign (*) between the two terms.
The mixed number can be defined as the numbers that contains whole numbers as well as the denominators and numerator.
It should be noted that the product of −3 1/4 and −1 1/2 can be done as (
Read more on mixed number here: brainly.com/question/21610929
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Answer:
9/20
Step-by-step explanation:
450/1000
this is not the answer, because it is not simplified
so here we have to find common factor and simplifying
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450/1000 is simplified to 9/20, and it can no longer be simplified.
12 is the answer to this question