8. To simplify 4 49 + 8 ÷ 4 · 2, first ______________. 9. To simplify 15 [3 (1)]

Question

8. To simplify 4 49 + 8 ÷ 4 · 2, first ______________. 9. To simplify 15 [3 (1)] + 12 ÷ 2 · 3, first ______________. In the remaining items, fill in each blank so that the resulting statement is true. 10. |a|, called the ______________ of a, represents the distance from ______________ to ______________ on the number line. 11. If a 0, then |a| = ______________. If a < 0, then |a| = ______________. 12. a + (a) = ______________: The sum of a real number and its additive ______________ is ______________, the additive ______________. 13. If a and b are real numbers, the commutative property of addition states that a + b = ______________. 14. If a, b, and c are real numbers, the associative property of multiplication states that ______________ = a(bc). 15. If a, b, and c are real numbers, the distributive property states that a(b + c) = ______________. 16. An algebraic expression is ______________ when parentheses have been removed and like terms have been combined.

Explanation / Answer

8) 4 - 49 + 8 / 4 * 2

according to pemdas rule

first we will divide and multiply

8/4 = 2 * 2 = 4

so ,now we have

4 - 49 + 4

now comes the addition

8 - 49

= - 41

2)   To simplify 15 [3 (1)] + 12 ÷ 2 · 3

first simplifying the parenthses

[ 3 - (-1)] = 4

now division and multiuplication

12/2 * 3 = 18

15 - 4 + 18

= 29

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