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Ksju [112]
3 years ago
10

Find (3 × 10^4) + (7 × 10^2) in scientific form.

Mathematics
2 answers:
Serga [27]3 years ago
7 0
The answer is B, 3.07 • 10^4.
just olya [345]3 years ago
3 0

Answer:

Step-by-step explanation:

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<h2>~<u>Solution</u> :-</h2>

Here, it is given that the bag contains 25 paise coins and 50 paise coins in which, 25 paise coins are 6 times than that of 50 paise coins. Also, the total money in the bag is Rs. 6.

  • Hence, we can see that, here, we have been given the linear equation be;

Let the number of coins of 50 paise will be $ x $ and the number of coins of 25 paise will be $ 6x $ as given. . .

Hence,

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7x = 6

x =  \frac{6}{7}  \\

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6(2)

  • Hence, the number of 25 paise coins will be <u>12</u>.
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