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Rzqust [24]
2 years ago
9

If u can answer these please do

Mathematics
2 answers:
enot [183]2 years ago
8 0

Answer:

1) 8.5x10^8

2) 5.3x10^-3

3) 9.95x10^12

Step-by-step explanation:

Since they have the same exponents, you just add or subtract and leave the rest the same.

1) 8.5x10^8

2) 5.3x10^-3

3) 9.95x10^12

S_A_V [24]2 years ago
5 0

Answer:

1. 850,000,000

2. 53/100 OR 0.0053

3. 9, 950, 000, 000, 000

Step-by-step explanation:

You might be interested in
Michael is 12 years older than Brandon. Seventeen years ago, Michael was 4 times as old as Brandon.
4vir4ik [10]

Answer:

21 yrs old

Step-by-step explanation:

m= michael age

b=Brandon age

m=b+12

m-17=4(b-17)= 4b-68 --»»m = 4b -51

//put b+12 instead m// b+12=4b-51

3b=63 --»»b=21

Brandon age is 21

Michael age is 33

3 0
3 years ago
Read 2 more answers
180 students in a tenth grade high school class take a survey about which video game consoles they own.
Fantom [35]

Answer:

P(A) = 44.44%

P(B) = 50%

P(B|A) = 37.5%

P(B|A) different from P(B).

A and B are independent.

Step-by-step explanation:

If we have a total of 180 students, and 80 of them have a Playstation, we have that P(A) = 80/180 = 0.4444 = 44.44%

If we have 90 students that have a Xbox, we have that P(B) = 90/180 = 0.5 = 50%

If we have 30 students that have both consoles, we have that P(A and B) = 30/180 = 0.1667 = 16.67%

To find P(B|A), we will find for a student that has an Xbox inside the group of students that has a Playstation, that is, we have 30 students in a total of 80 students, so P(B|A) = 30/80 = 0.375 = 37.5%

P(B|A) is different from P(B), the first is 37.5% and the second is 50%, so events A and B are independent events.

5 0
2 years ago
Kiera dance class starts at 4:30 pm and ends at 6:15. hiw long is her dance class
AleksAgata [21]
Her dance class is 1 hour and 45 minutes long 

Hope this helps!
5 0
2 years ago
Read 2 more answers
How do you simplify −7(2x−11)
DanielleElmas [232]

Answer:

−7(2x−11)

use distributive property

-7(2x)-7(-11)

-14x+77

5 0
3 years ago
Read 2 more answers
Can someone please help
Rufina [12.5K]

Answer: Its A EZ

Step-by-step explanation:

3 0
3 years ago
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