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How do you covert inches into squared inches?
inches is a length in one direction; square inches is an area in two directions; you need to know the second length and shape to find square inches
How do you write 900 in expanded notation using exponents?
900 = 9 x 100 9 can be written as 3 to the power of 2 100 can be written as 10 to the power of 2 It is then written as (3 squared) x (10 squared) I cannot with the editor we use show how to write 3 squared or 10 squared but I hope you know ( 3 superscript 2) x (10 superscript 2).
Four squared two minus five squared three?
Apart from writing out the answer it is hard to help you because we do not know what the difficulty is here: 422 is 16x2, and 523 is 25x3 and the difference is 43. Or perhaps you mean 4xsquared 2 - 5x squared 3, but even then we don't know what the difficulty is.
When do you know to add exponents and when to multiply exponents?
You cannot add exponents, you can only multiply. Example 3^3 it would be 3x3x3 9^3 it would be 9x9x9
How do you know if your answer is squared when finding area?
If you have calculated it correctly, it will always be squared.
