Find the sum and write your answer in scientific notation (4.3×103)+(2.5×103)
2 answers:
Answer:
7 x10²
Step-by-step explanation:
1. (4.3 x 103)+(2.5 x 103)
- you multiply the 4.3 and the 103, then you multilpy the 2.5 and 103
2. =442.9 + 257.5
- you add the 442.9 and the 257.5
3. =700.4
-you move the decimal to left so that the number is less than ten but more than 0
-the number of spaces you moved the decimal which in this case was two is the exponent
4. =7 x 10²
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Answer:
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Step-by-step explanation:
The formula for the sum of an infinite geometric series is a₁/(1-r), where a₁ represents the first value and r represents the ratio. We can plug in our values here to get
a₁/(1-r) = 240/(1-1/3)
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