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