They will higher 15 meters thank when they first started.
<h2>The next four multiples of the unit fraction

are</h2><h2>

( 1),

,

(2) and

.</h2>
Step-by-step explanation:
We have:
The unit fraction = 
To find, the next four multiples of the unit fraction
= ?
∴ The next four multiples of the unit fraction
The first multiple = 
The second multiple = 
The third multiple = 
The fourth multiple = 
∴ The next four multiples of the unit fraction
are
( 1),
,
(2) and
.
Step-by-step explanation:
EQUATION: Volume=length x width x height.
V=l×w×h
1620cm^3=9cm×9cm×xcm
1620cm^3=81cm^2 ×xcm
xcm= 1620cm^3/81cm^2
xcm= 20cm
Answer:812/1000
Step-by-step explanation: