Math Scientific Notation

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write the scientific notation
1) for 25,000,000
i got: 2.5 x 10^7

2) 4,562,000,000
i got: 4.562 x 10^9

3) 1,250 x 10^5
im stuck on this one
i think its: 1.25 x 10 ^ 8

are these right?

• Math Scientific Notation -

Oh yeah my math teacher taught this to us already. The first 2 are correct. For the last one I don't know. Ask the teachers they will help.

• Math Scientific Notation -

All 3 are correct

• Math Scientific Notation -

5000,000km

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