$2,900 you have to subtract from the $4,000 and it is $1,100 you have left
In a meter there are 100 cm.
In 100 cm there are 1000 mm.
Therefore in 1 meter you have 1000 millimeters.
Then to find out how many millimeters you have in 14 meters, you just multiply 14 by 1000 to give you 14000 mm.
Final answer= 14 m of gold wire is the equivalent to 14000 mm of wire.
6⁴ means "multiply 6 by 6 4 times"
Or
6·6·6·6
1.5 is less then or equal to x which is less then or equal to 14.5