8x10 to the fifth power is how many more times as great as 8x10 to the -1 power

Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Find the quotient with the restriction.