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aivan3 [116]
2 years ago
12

Please help! Multiply the following two numbers in scientific notation.

Mathematics
2 answers:
Lynna [10]2 years ago
7 0

Answer:

d) 5.88×10^9

Step-by-step explanation:

Katen [24]2 years ago
5 0

Answer:

d) 5.88 × 10⁻⁹

Explanation:

\rightarrow \sf \left(1.2\cdot 10^7\right)\left(4.9\cdot 10^2\right)

\sf apply \ exponent \ rule : a^b + a^c = a^{b + c}

\rightarrow \sf 1.2\cdot \:4.9\cdot \:10^{7}\cdot \:10^{2}

\rightarrow \sf 1.2\cdot \:4.9\cdot \:10^{7+2}

\rightarrow \sf 1.2\cdot \:4.9\cdot \:10^9

\rightarrow \sf 5.88 \cdot \:10^9

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3 years ago
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2 years ago
Craig’s school has 4 lessons in the morning lessons 1 starts at 8:35 each lesson is 60 minutes long there is a break between les
jasenka [17]

Answer:

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Step-by-step explanation:

We have been given that Craig’s school has 4 lessons in the morning and lesson 1 starts at 8:35. Each lesson is 60 minutes long. There is a break of 15 minutes between lesson 2 and 3.

We can see that lesson 1 will end at 9:35 AM and second lesson will end at 10:35 AM.

We have been also given that there is a break for 15 minutes between lesson 2 and 3. So third lesson will start at 10:50 AM as lunch break will end at 10:50 AM.

Third lesson will end 60 minutes after 10:50 AM that is 11:50 AM and fourth lesson will end 60 minutes after 11:50 AM that is 12:50 PM.

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6 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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