What is the sign of 2?
even whole positive all of these
Which of these is positive?
-36 -45 -(5)2 (-7)4
Evaluate 3 + 10(2)2.
43 52 403 529
When typing the expression `(-9 + 3sqrt(20))/5` in a single line on a calculator, which of these will NOT result in an incorrect result?
no parentheses around 20 no parentheses around -9 + 3√20 no multiplication sign between 3 and √20 using the minus button instead of the negative button for -9
