4,080,499 rounded to the nearest thousand is 4,080,000.
The recipricol of -2/9 is 9/2, or 4 1/2
remember to change the sign (forgot to myself)
hope this helps
No 20.0000004 cannot be rational.
EXPLANATION
Let's see the facts:
The scale is---> 14 milimeters ----> 5 meters
Width = 42 milimeters
Applying the unitary method, the actual width of the pool is:
The width of the pool is 15m
Hahah what you learning...............