Simplify the following expression.
9−53⋅937
Enter your answer as a number to a power, using the ^ symbol to indicate an exponent. For example, to enter 4253, type it like this: 42^53

What is the square root of 45? (step by step working plz)

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)