Answer:
70
Step-by-step explanation:
Apparently, you want the ratio of the weights:
(dino weight)/(car weight) = (2.8×10^5)/(4×10^3)
= (2.8/4)×10^(5-3) = 0.7×10^2 = 0.7×100
= 70
The heaviest dinosaur weighed about 70 times the weight of an average car.
_____
Your calculator can do arithmetic in scientific notation. So can any spreadsheet.
The applicable rule of exponents is ...
(10^a)/(10^b) = 10^(a-b)
Answer:
<h2>

</h2>
Step-by-step explanation:

To find ( f - g)(x) , subtract g(x) from f(x)
That's

Since they have a common denominator that's 3x we can subtract them directly
That's

We have the final answer as
<h3>

</h3>
Hope this helps you
Answer:
1/2
Step-by-step explanation:
Answer:x=-4 and x=4
Step-by-step explanation:
Took the assignment on edg 2020