Learning task 3:Choose the letter of correct answer.Write your answer in your notebook. 1.Order in which steps must be done to simplify an expressions.This follows rules of each set of operation.
2.3 + 4 - 8 x 2 + (4+2) =_______
3.24 - 4² x 3 + 15 =________
4.-3 + 8 + (3 + 2) =_________
5.(8 - 3)² - 25 ÷ 5 + (5 - 3) =______
2.3 + 4 - 8 x 2 + (4+2) =_______
3.24 - 4² x 3 + 15 =________
4.-3 + 8 + (3 + 2) =_________
5.(8 - 3)² - 25 ÷ 5 + (5 - 3) =______
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Answer:
2. -3 or 3
3. -9 or 9
4. 10
5. 22
Step-by-step explanation:
3 + 4 - 8 × 2 + ( 4 + 2 ) =
3 + 4 - 16 + ( 4 + 2 ) =
3 + 4 - 16 + 6 =
= -3
24 - 4² × 3 + 15 =
24 - 16 × 3 + 15 =
24 - 48 + 15 =
= -9
-3 + 8 + (3 + 2) =
-3 + 8 + 5 =
= 10
(8 - 3)² - 25 ÷ 5 + (5 - 3) =
5² - 25 ÷ 5 + ( 5 - 3 ) =
5² - 5 + ( 5 - 3 ) =
5² - 5 + 2 =
25 - 5 + 2 =
= 22