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anonymous

  • 5 years ago

What is 625 in exponential notation.

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  1. anonymous
    • 5 years ago
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    6.25*10^2

  2. anonymous
    • 5 years ago
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    Ok, so you know you have 625, you can see that you can take 25 out, which is a perfect square, so you divide 625 by 25 and you get 25, and then you know that 25 is 5x5 so, since you have 2 25's, that means your have 4 5's, so your answer is 5^4. I'm sorry if that's confusing.

  3. anonymous
    • 5 years ago
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    lol in a much simpler way: 5 x 5 x 5 x 5 = 625, so we have (4) 5's, so we write it like : \[= 5^4\]

  4. anonymous
    • 5 years ago
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    how did you find that out sstarica?

  5. anonymous
    • 5 years ago
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    we have 625 and our number ends with a 5, so 5x5= 25, another 5x5 = 25, so 25 x 25 = 625 ^_^

  6. anonymous
    • one year ago
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    it is easy you must only find the common factors o the number just like 625 is divisible by 5 so 5 * 5 and 5 * 5 * 5 * 5 so it is =\[5^{4}\]

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