fseftrwer2522
10.06.2020 •
Mathematics
Which expression is equivalent to 15a^8b^4/5a^4b?
3a^2b^4
3a^4b^3
10a^4b^3
10a^4b^4
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Ответ:
3 a^12 b^5
Step-by-step explanation:
Simplify the following:
(15 a^8 b^4 a^4 b)/5
15/5 = (5×3)/5 = 3:
3 a^8 b^4 a^4 b
3 a^8 b^4 a^4 b = 3 a^(8 + 4) b^(4 + 1):
3 a^(8 + 4) b^(4 + 1)
4 + 1 = 5:
3 a^(8 + 4) b^5
8 + 4 = 12:
3 a^12 b^5
Ответ: