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yan [13]
3 years ago
6

Pls help i will mark you the brainlest

Chemistry
1 answer:
kap26 [50]3 years ago
8 0

Answer:

Maintain constant velocity

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Perform the following mathematical operation and report the answer to the appropriate number of significant figures. 5.4-4.21
konstantin123 [22]

Answer:

1.2   ( two significant digits)

Explanation:

5.4 - 4.21        answer should only have the the number of significant digits as the number in the equation with the least number of significant digits... in this case   5.4   is only two significant digits....so the answer should only have two significant digits

5.4 - 4.21 = 1.19     round to two digits = 1.2    

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Ede4ka [16]

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Explanation:

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Nickel (iii) cyanide + aluminum permanganate product?
Wewaii [24]

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A sample of a substance has a mass of 4.2 grams and a volume of 6 milliliters. The density of this substance is
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Mass =4.2 g

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