Question

Kindly help me have to give assignment tomorrow

Answer 1

First question

You should try to multiply all three digits and divide with cube total edges

Second I don't know surely

Answer 2

Answer:

Step-by-step explanation:

Expert

=81(-2)2+9(-4)2+54(-2)(-4)

=81(4)+9(16)+54(8)

=324+144+432

=900

the ans is 900