Please help me with this question it’s a test and I need answers!!
2 answers:
Answer:
49,7²
Step-by-step explanation:
7^9*7^-6*7^-8*7^7
7^9-6-8+7
7^16-14
7^2
49
Answer:
Seven squared and 49
Step-by-step explanation:
1) you can do simple addition and subtraction with the powers:
9-6-8+7=2
2) leave the seven by itself and add the power:
7^2 (seven squared)
3) seven squared is also equal to 49
(7x7=49)
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Answer:
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Step-by-step explanation:
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Answer:
x-y=4
Step-by-step explanation:
(y+4)/(1+4) = x/5
(y+4)/5 = x/5
y+4 = x
-x+y= -4
x-y = 4
