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What is the product of 
5.6 ×10^(6) and 
8.9 ×10^(6) expressed in scientific notation?
Answer:

What is the product of 5.6×106 5.6 \times 10^{6} and 8.9×106 8.9 \times 10^{6} expressed in scientific notation?\newlineAnswer:

Full solution

Q. What is the product of 5.6×106 5.6 \times 10^{6} and 8.9×106 8.9 \times 10^{6} expressed in scientific notation?\newlineAnswer:
  1. Multiply decimals: Multiply the decimal parts of the numbers.\newlineWe have 5.65.6 and 8.98.9 as the decimal parts of the two numbers in scientific notation. To find the product, we multiply these two numbers together.\newlineCalculation: 5.6×8.95.6 \times 8.9
  2. Calculate product: Calculate the product of the decimal parts.\newlineCalculation: 5.6×8.9=49.845.6 \times 8.9 = 49.84
  3. Add exponents: Add the exponents of 1010.\newlineSince both numbers are multiplied by 1010 raised to the power of 66, we add the exponents according to the laws of exponents for multiplication.\newlineCalculation: 106×106=106+6=101210^6 \times 10^6 = 10^{6+6} = 10^{12}
  4. Combine results: Combine the results of Step 22 and Step 33 to express the product in scientific notation.\newlineSince the product of the decimal parts is 49.8449.84, which is not between 11 and 1010, we need to adjust it to fit the scientific notation format.\newlineCalculation: 49.8449.84 can be written as 4.984×1014.984 \times 10^1 (since 49.84=4.984×1049.84 = 4.984 \times 10).
  5. Adjust scientific notation: Adjust the scientific notation by combining the powers of 1010.\newlineNow we combine the 10110^1 from the adjustment of the decimal part with the 101210^{12} from the multiplication of the exponents.\newlineCalculation: 4.984×101×1012=4.984×101+12=4.984×10134.984 \times 10^1 \times 10^{12} = 4.984 \times 10^{1+12} = 4.984 \times 10^{13}

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