During this unsusually cold weather the temperature in miami beach was 10 degrees celsius. this was 12 degrees more than in tallahassee. what is the temperature in tallahassee

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

What is the number 321,000,000 in scientific notation? also what is the number? ?

Negative 5 1/12 + negative 4 1/4 + 6 3/4