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SSSSS [86.1K]
3 years ago
8

Answer to this problem

Mathematics
2 answers:
evablogger [386]3 years ago
4 0
The answer is b) 2.622x10^14
julia-pushkina [17]3 years ago
4 0
Ans wer is b either use the calculator or multiple 3.8 and 6.9 first and then add exponents on top of 10

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Bogdan [553]

Answer:

\huge \boxed{ \boxed{z = 3}}

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
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<h3>let's solve:</h3>
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She reads at 55 pages per hour for 4 hours so 55*4 = 220 pages so far. This means that she read 220 and had 330 left so 220 + 330 = 550 so the book is 550 pages. If she reads 55 pages per hour and there is a total of 550 pages, 550/55 = 10 hours to read the book.

4 0
3 years ago
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