4. There are 40 litres of water in a barrel.
The water flows out of the barrel at a rate of 125 millilitres per second.
1 litre = 1000 millilitres.
Work out the time it takes for the barrel to empty completely.

hope it

step-by-step explanation:

x^(1/6) · x^(1/6) · x^(1/6)   ·x^(1/6) = x^(4/6)   since we add the exponents

4/6 can be simplified to 2/3

the simplified form is x^(2/3)

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas