The area of San Bernardino County, California, is the largest county in the United States, is about 3 to the 9 power square mile
s.Write this as an expression.What is the area of San Bernardino County?
2 answers:
19683 square miles of land in there so 3^9 is 19683
Answer:
An expression = 
The area of San Bernardino County is 19,683 square miles.
Step-by-step explanation:
The are of San Bernardino County is about 3 to the 9 power square miles.
Here 3 to the 9 power means " base 3 and the exponent is 9"
=
This means we have to multiply 3 itself by 9 times.
= 3.3.3.3.3.3.3.3.3
= 9.9.9.9.3
= 81.81.3
= 6561.3
= 19,683 square miles
The area of San Bernardino County is 19,683 square miles.
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M∠ABC=180°
7x+x-4 = 180
8x = 180+4
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x=184:8
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Answer:
he was supposed to add three on both sides
