The number 50,000,000,000 galaxies can be expressed in scientific notation as 5 × 10^10.
Scientific notation is when a number that can be decimal between 1 and 10 is multiplied by 10 to any power.
The given number is 50,000,000,000.
This number has 10 zeroes in it. This means that these 10 zeroes can also be written as 10^10.
Since the given number is 50,000,000,000, we can express it in scientific notation as 5 × 10^10.
Therefore, we have found the scientific notation of the given number as 5 × 10^10.
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