Find the product of 1,230,000 and (0.4 · 10-8). in your final answer, include all of your calculations.

  0.00492 = 4.92×10^-3

Step-by-step explanation:

Calculators are made for the purpose of dealing with such numbers. If you like, you can write the problem in scientific notation as ...

  (1.23×10^6)×(4×10^-9) = 4×1.23 × 10^(6-9) = 4.92×10^-3

The exponent of -3 means the most significant digit of the mantissa is in the 3rd decimal place to the right of the decimal point. So, in standard form, the product is ...

  0.00492

529 and 531

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