Answer:
40
Step-by-step explanation:
LxW=A
So 4x10=40
Hope this helps
10^2 since 10(10) = 100 and 10 is multiplied by itself twice.
Answer:
8x
Step-by-step explanation:
Because you are adding the (x+3) there you can immediately you the association property to simplify
(2x + 5x + x) + (3 - 3)
8x + 0 =
8x
Answer:2187
Step-by-step explanation:
3*3*3*3*3*3*3=2187
£110 as 45mins times 4 radiators divided by 60 mins =3 hours
3 hours + 1 hour = 4 hours
4 hours times £20= £80
£80+£30=£110