Answer:
Step-by-step explanation:
Hhuiodkrnf
The answer is <span>C.) 2
The general form of formula is
y = a </span><span>• r^x
y - the total number of bacteria after x period of time
a - the initial number of bacteria
r - growth rate
x - period of time
Let's compare:
</span>y = a • r^x
<span>y = 280 • 2^x
Since r = 2, the growth rate is C.) 2</span>
Answer:
1/2 miles or 4/8 mi
Step-by-step explanation:
Plans to walk one mile or 8/8 ths of a mile, he walks 3/8 ths, then another 1/8 adds up to 4/8 ths. Leaving him with 4/8 ths left.