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Nutka1998 [239]
3 years ago
13

The empire state building weighs about 7.3 ×10⁸ the one world trade center bulding weighs about 88,200, 000 pounds. What is the

total weight, in pounds, of these two? Express your answer in scientific natation in form a×10^b, what are the values of the a and b?
Mathematics
1 answer:
Vesnalui [34]3 years ago
5 0
A is 8.82 and b is 7
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In the diagram m angle ACB = 61<br> Find m angle BCD
Marina86 [1]

we are given that

angle(ACF)=90

angle(ACB)=61

sum of all angles along any line is 180

so, we get

angle(ACF)+angle(ACD)=180

we can plug value

90+angle(ACD)=180

angle(ACD)=90

now, we can use formula

angle(ACD)=angle(ACB)+angle(BCD)

now, we can plug values

and we get

90=61+angle(BCD)

90-61=61-61+angle(BCD)

angle(BCD)=29................Answer


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Answer:

12 yards=36 feet

Step-by-step explanation:

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4 yards=12 feet

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In a certain country, the car license plate formed by 4 numbers from the digits 1-9 followed by 3 letters from the alphabet. How
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Answer:

78,624,000 license plates

Step-by-step explanation:

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Second number: 9 digits possible (one used)

Third number: 8 digits possible (two used)

Fourth number: 7 digits possible (three used)

For each of the 3 letters, we have the following possibilities:

First letter: 26 digits possible

Second letter: 25 digits possible (one used)

Third letter: 24 digits possible (two used)

The total number of license plates is the product of all these possibilities:

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The last line of a proof represents: The conclusion!

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The correct answer would be 9

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