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konstantin123 [22]
3 years ago
9

If x, y, and z are positive integers and 2^x * 3^y * 5^z = 54,000, what is the value of x + y + z

Mathematics
1 answer:
Brums [2.3K]3 years ago
4 0

Given:

If x, y, and z are positive integers, then

2^x\times 3^y\times 5^z=54000

To find:

The value of x+y+z.

Solution:

First we need to find the prime factors of 54000.

54000=2\times 2\times 2\times 2\times 3\times 3\times 3\times 5\times 5\times 5

54000=2^4\times 3^3\times 5^3        ...(i)

We have,

54000=2^x\times 3^y\times 5^z        ...(ii)

On comparing (i) and (ii), we get x=4,y=3,z=3.

The sum of x,y,z is:

x+y+z=4+3+3

x+y+z=10

Therefore, the value of x+y+z is 10.

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