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my last points to ask a question pls show work

My Last Points To Ask A Question Pls Show Work class=

Sagot :

Orabellagreenlandidn

Answer:

-9.5

Step-by-step explanation:

8.4×3=25.2

negative25.2- 5.7 equals negative 19.5 - 10. hey hi if my answer doesn't match with the answer in your book could you please tell me right away so that I can try another method or ask for help I would really like to help you bye.

Altavistardidn

Answer:

14.  27

16.  170

Step-by-step explanation:

We must follow Order of Operations rules here.  Work inside parentheses must be done first, then exponentiation, then multiplication and division, and finally addition and subtraction.

((5·7) - (8·4))³ becomes (35 - 32)³, or 3³, or 27.

16.  7² + ((46 - 7·2) + 2³)² becomes 7² + ((46 - 49) + 8)²

Again, do the work inside parentheses first:

7² + (3 + 8)² becomes 49 + 11², or 49 + 121, or, finally, 170

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