Determine if the number is written un scientific notation. if not explain 4.8×100^7

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Which of the greatest common gcf of 32 and 48 a 16 b 96 c 8 d 32

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?