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Write the answer in proper scientific notation:
(9×10^(7))/(4000)

Write the answer in proper scientific notation:\newline9×1074000 \frac{9 \times 10^{7}}{4000}

Full solution

Q. Write the answer in proper scientific notation:\newline9×1074000 \frac{9 \times 10^{7}}{4000}
  1. Identify Numbers: Identify the numbers involved and their current form.\newlineWe have the numerator 9×1079\times10^{7} and the denominator 40004000. We need to divide these numbers to simplify the expression.
  2. Convert Denominator: Convert the denominator into a power of 1010 to facilitate division in scientific notation.\newline40004000 can be written as 4×1034\times10^3 because 4000=4×10004000 = 4\times1000 and 10001000 is 10310^3.
  3. Rewrite as Fraction: Rewrite the division as a fraction with both numerator and denominator in scientific notation.\newline(9×107)/(4×103)(9\times10^{7}) / (4\times10^3)
  4. Divide and Subtract: Divide the coefficients 94\frac{9}{4} and subtract the exponents of 1010 (73)(7-3). The coefficient division gives us 2.252.25, and subtracting the exponents gives us 10(73)=10410^{(7-3)} = 10^4.
  5. Express in Notation: Express the result in proper scientific notation.\newline2.25×1042.25\times10^4 is already in proper scientific notation, as the coefficient is between 11 and 1010.

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