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Brums [2.3K]
3 years ago
6

Find the simplified form of the expression. Give your answer in scientific notation. (3x10^8)(9x10^7)

Mathematics
1 answer:
Burka [1]3 years ago
5 0
27, 10^ 15
Hope it helps!
#MissionExam001
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What is the probability that a randomly selected makeup item from her bag will be an eyeshadow, if she has 15 cosmetics and only
Lelu [443]
The answer is 5/15 which is simplified to 1/3
8 0
3 years ago
Please help me with #1 & #2! thxs
taurus [48]

the answer for number 1 is

10,962,500,000

5 0
3 years ago
At the city museum, child admission is $6.10 and adult admission is $9.30 . On Sunday, four times as many adult tickets as child
dalvyx [7]

Answer:

21 child tickets

Step-by-step explanation:

For this problem, you'd use a system of equations.

First, define your variables.

x = # of child tickets sold

y = # of adult tickets sold

There were 4 times as many adult tickets (y) as child tickets (x) sold, so:

4 x = y

4 x - y = 0

93 (4 x - y = 0)

372 x - 93 y = 0

The total revenue was $909.30, adult tickets were $9.30 each, child tickets were $6.10 each, so:

6.10 x + 9.30 y = 909.30

10 (6.10 x + 9.30 y = 909.30)

61 x + 93 y = 9093

372 x - 93 y = 0

433 x = 9093

433 x / 433 = 9093 / 433

x = 21

3 0
3 years ago
assume that a 150-pound person starts a diet loses 2 pounds per week for 15 weeks . write an equation modeling this situation
boyakko [2]
Weight = w
no. of weeks = n

w = 150 - 2n
8 0
3 years ago
I got A is that right??
noname [10]

Answer:

Yes

Step-by-step explanation:

To fins the area if the rectangle you need to find the hypotenuse of the triangles, which are equal. so 10.4 squared plus 15.3 squared is 342.25, and the square root is 18.5.

Then, 18.5 multiplied by 7 is 129.5. Then to fins the area of a triangle you need to do it like a rectangle but in this case, sense there are 2, then just find the area. 129.5+(10.4 times 15.3=159.12)=129.5+159.12=288.62

8 0
3 years ago
Read 2 more answers
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