2/5 of a number is 40. What is 1/10 of the number

Please help me

1/10 of the number is 10.

Step-by-step explanation:

We know that 40 is 2/5 of this unknown number, so 4/5 would be 80. Then, to fill up the other 1/5, we must split 40 into half.

1/2 of the number 40 is equal to the number 20.

80 + 20 = 100, so 5/5 would be equal to 100.

Now, we have to find one tenth of the number 100.

1/10 of the number 100 is the number 10. (1/10 of 100 = 10)

The answer to the question is 10.

10a^3+277a^2-132a-792

step-by-step explanation:

(2a+11)(5a-12)(foil)

=10a^2-24a+55a-132 =10a^2+31a-132

(10a^2+31a-132)(a+6)

=10a^3+60a^2+31a^2+186a^2-132a-792 =10a^3+277a^2-132a-792

i hope this is what you are looking for : )