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▹ Answer
<em>d. 7/20</em>
▹ Step-by-Step Explanation

Hope this helps!
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Answer:
No, he is not correct because the constant in his answer should have been 21 not 7.
Step-by-step explanation:

Therefore, the correct answer is the fourth; he should have put 21.
Absolute value of -3 is three, and then it just regular -3 equals -3 so basically whenever you see at -3 in those brackets or any negative number it means absolute value which will always be it’s positive version That negative number
Answer:
<h2>1 cubic meter is equal to 1000000 grams</h2>