All 28 standard domino tiles are put in a row (one after another) according to the domino rules, such that the last number of the last domino tile is equal to 5. What is the first number of the first domino tile?

answer: sorry i can't you.

step-by-step explanation:

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol

explanation:

remove parenthesis:

=

apply rule

=

multiply fractions:

=

=

divide:

=

mordancy.

1260=3*6*7*10=3^2*2^2*7*5 perfect cude = 3^3*2^

step-by-step explanation: