227,900,000 in scientific notation

Is -7*10^11 in scientific notation? If not, write it in scientific notation.

401,000,000 in scientific notation

I Need Help On scientific notation.

497 000 000 in scientific notation

If a x 10^n is scientific notation, then a must be between 1 and ___. A 1010 B 100100 C n

If a x 10^n is scientific notation, then a must be between 1 and ___. A. 1010 B. 100100 C. n

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