The standard form for 2 tens and 1 ones (21) times 10 is 210
Answer:

Equation: 
Step-by-step explanation:
Let parking spaces in each row
In
level there are
so total number of parking spaces in 1 level
There are
level so total number of parking spaces

Answer:
0,9
Step-by-step explanation:
If you are asking how to find the square feet of the "weirdly shaped pirate money" you'd need to multiply the length and width. So:
11/12 * 3/4 = 33/48
So the answer is 33/48 square feet
If you are not asking for this answer word your question better please.