Respuesta :
Answer:
5
Step-by-step explanation:
[tex]3 {( - 2)}^{2} - 7 \\ = 3 \times 4 - 7 \\ = 12 - 7 \\ = 5[/tex]
Good morning ☕️
Answer:
3(-2)² - 7 = 5
Step-by-step explanation:
[tex]3(-2)^2 - 7 =[/tex]
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NOTE: in this expression we have 3 operations : subtraction , multiplication and power.
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RULE: the rule about the order of operations says :
power comes first then multiplication then subtraction.
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»Calculate (power):
[tex]= 3(4) - 7[/tex]
»Calculate (multiplication):
[tex]=12-7[/tex]
»Calculate (subtraction):
[tex]=5[/tex]
:)