A number is decreased by seven. Then, the new number is multiplied by 3 to get an answer of -9.
2 answers:
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For this case we have to by definition:
Where:
d: It is the density
M: It's the mass
V: It is the volume
According to the data we have to:
On the other hand we have that 1 meter is equivalent to 100 centimeters. Thus the measurements of the walkway are:
600 cm long, 100 cm wide and 10 cm thick. Looking for the volume we have:
According to the formula we have:
Thus, the mass of the walkway is 1,800,000g
Answer:
1,800,000g
