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Anita Monga

· started a discussion

· 1 Months ago

how it comes 196 (Question:217134.0)

3rd step

Question:
DIRECTIONS: What will come in place of the question mark (?) in the following questions?
(2\(\sqrt{7}\) + 5\(\sqrt{7}\))(\(\sqrt{7}\) + 3\(\sqrt{7}\)) – 48% of 250 = ?
Options:
A)

75

B) 83
C) 67
D) 76
E) None of these
Solution:
Ans: (d)


Knowledge Expert

· commented

· 1 Months ago

Dear student
Given answer is correct.
We have just followed the exponent & power rule.
Product rules=a^n ⋅ a^m = a^(n+m)

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