Answer:
2010.
Step-by-step explanation:
We have been given an exponential growth formula
, which represents number of passengers traveling by airplane since 1990.
To find the year in which 900 million passengers will travel by airline, we will equate the given formula by 900 and solve for t as:



Take natural log of both sides:

Using property
, we will get:




This means that in the 20th year since 1990, 900 million passengers would travel by airline.

Therefore, 900 million passengers would travel by airline in 2010.
Answer:
.022
Step-by-step explanation:
Answer on Khan
50x1/10 equals 50/10 so the answer is 5.
The amount of down payment Michelle paid for a dryer of $1,400 at 17% down payment is $238
Given:
Total cost of dryer = $1,400
down payment percentage = 17%
<em>Amount paid for down payment</em> = 17% of $1,400
= 17/100 × 1400
= 0.17 × 1400
= $238
Therefore, the amount of down payment Michelle paid for a dryer of $1,400 at 17% down payment is $238
Learn more about percentage:
brainly.com/question/2236179
Answer:
Step-by-step explanation:
It expresses how much money he had to pay in total for the sheet music and drumsticks altogether.
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