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irga5000 [103]
2 years ago
11

Compare the following number :-

Mathematics
2 answers:
ch4aika [34]2 years ago
8 0

Answer:

{10}^{12}  = 1000000000000

<h3>Then ,</h3>

3 \times  {10}^{12}  = 3000000000000

<h3> And </h3>

{10}^{11}  = 100000000000

<h3>Then ,</h3>

4 \times  {10}^{11}  = 400000000000

Step-by-step explanation:

<h3> • Hence , 3 x 10 to the power 12 is greater .</h3>
makkiz [27]2 years ago
3 0

The value of 3 × 10¹² is greater than 4 × 10¹¹

The standard scientific expression is given as A * 10^n

  • Given the scientific values 3 × 10¹² and 4 × 10¹¹, we need to compare the values.

  • The value of their powers will determine which of the values is greater or less.

For the notation 3 × 10¹², we can see that the power is 12 while for the notation  4 × 10¹¹, the power is 11. Since 12 is greater than 11, hence <u>the value of 3 × 10¹² is greater than 4 × 10¹¹</u>

Learn more on scientific values here: brainly.com/question/1522308

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The distance Train A travels is represented by d = 67t, where d is the distance in kilometers and t is the time in hours. The di
Thepotemich [5.8K]

Answer:

Train A's unit rate is 67 km per hour.

Train B's unit rate is 75 km per hour.

Train B is faster than Train A

Step-by-step explanation:

Train A

Distance traveled by Train A is represented by :

d=67t

where d represents distance traveled in kilometers and t is the time in hours.

To find the unit rate of Train A, we will plugin t=1 and get the distance traveled by Train A in 1 hour which will be the unit rate of Train A in km/hr.

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Train B

For Train B, we are given the table for the time in hours and distance traveled in that duration.

Taking time =2 hours the distance traveled by Train B= 75 km

To find distance traveled in 1 hour we apply unitary method.

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So, distance traveled by Train B in 1 hour = 75 km

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