Answer:

Step-by-step explanation:

<u>Apply exponent rule:</u>

Add the numbers:
________________________________
Answer:
137.12
Step-by-step explanation:
Density = mass/volume
Density = 3.51
Mass = 481.3
Thus: 481.3/3.51 = 137.122507123
(x-10)(x-4) because 4-10=6 then multiply that by 0 from 4-4
0.30by0.50
Hope this helps
and I really need brainliest thanks!