1) In performing a series of operations on whole numbers involving more than two operations, we first perform all operations inside the parenthesis. 2) 49 is a prime number because it has more than 2 factors.
3) 5 X 4 - 5 is greater than 60 - 20 = 4.
4) The parentheses in 3 + 5 X 2 - 3 should be in 3 + (5 X 2) – 3 so that the answer is
5) If the operations that remains are addition and subtraction, we should simplify first the expression from left to right.
6) The missing operation sign in 12 + 18 6 is + that will give a result of 15. 10. Z "
3) 5 X 4 - 5 is greater than 60 - 20 = 4.
4) The parentheses in 3 + 5 X 2 - 3 should be in 3 + (5 X 2) – 3 so that the answer is
5) If the operations that remains are addition and subtraction, we should simplify first the expression from left to right.
6) The missing operation sign in 12 + 18 6 is + that will give a result of 15. 10. Z "
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