I think its -64 for the first and -62 for the second
2 ounces I think
I hope I’m right at least I tried
She has 21 eggs total; 7*3 is 21 and it can't be grouped by those numbers.
when we have an exponent means that the base is multiplied times the number that is as the exponent, since there is no parentheses the exponent only affects the 4