13.
2 answers:
Answer:
Step-by-step explanation:
Given dimensions of rectangular prism :
length: 8 cm
width: 13 cm
height: 10.5 cm
If all the dimensions of the prism are doubled, then the new dimensions will be:
length: 16 cm
width: 26 cm
height: 21 cm
The surface area of rectangular prism is given by :-
Hence, its new surface area
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The equation for density is:
To help you remember - my teacher told us to remember "We <span>♡ density," and the heart stands for </span>
, or 
. Cheesy, but it works!<span>
</span>
Back to the problem:
We know the mass if 49g and the volume is 7
, so plug these values into the equation for density:
Answer: The density is 7 g/
To help you remember - my teacher told us to remember "We <span>♡ density," and the heart stands for </span>
</span>
Back to the problem:
We know the mass if 49g and the volume is 7
Answer: The density is 7 g/