Your answer is 406.8. You just multiply 10 by itself, the answer is 100, then you multiply 100 by 4.068.
Answer:
28feet
Step-by-step explanation:
The height of the balloon is given as h(t) = -16t² + 40t + 12 at 2 seconds, the height is 28 feet
First: find the square root of each one
Then: just multiply
Log base 10 (1/1000)
10^x = 1/1000
Log1/1000 = -3