3 answers
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1.9 * 8.4 * 10^(4+5)
= 15.96 * 10^9
= 1.596 * 10^10
(1.9 • 10^4) • (8.4 • 10^5)
= 15.96 * 10^9
= 1.596 * 10^10
First, multiply the decimal parts:
(1.9 * 8.4) = 15.96
Next, add the exponents:
10^4 * 10^5 = 10^(4+5) = 10^9
Now, combine the decimal part and the exponent to express the answer in scientific notation:
15.96 * 10^9
Therefore, the answer is 15.96 * 10^9.