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In science class, Vicky did an experiment with an unknown solid. She started with 11 grams of the solid. During the experiment, the change in the mass of the solid was –4 grams. What was the final mass of the solid To solve the problem, Jamal subtracted 11–(–4) and came up with an answer of 15 grams. Is Jamal correct? Why or why not?

Answer :

wyeung1000

Answer:

correct

Step-by-step explanation:

correct, because negative minus negative is actually positive.

shayaanibrahimbaig

Step-by-step explanation:

In this following excerpt,

We know that jamal wants to know the final mass, for this to be solved. We have to add the initial mass (11) to the change in the mass i.e, [-4] for this to be qualified as the final mass we are supposed to add the 11 to the -4, i.e, (11+(-4).)

Answer:

All in all the statement to support this resolution is,

11 + (-4)

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