In the exponential ab = c the answer is no solution when: c-is a fraction
b-is negative
c-is negative
O a is a fraction
a is positive
b-is a fraction
c-is zero

idk bring the function back   im not smart

step-by-step explanation:

answer: there are 453.592 grams in a pound.

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles