Помогите б2 и б1 буква б

Question

Помогите б2 и б1 буква б

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Answer 1

B1  b    0,25⁴·4⁸=(25/100)⁴·4⁸=(1/4)⁴·4⁸=4⁸/4⁴=4⁸⁻⁴=4⁴=256


B2  (125/36)⁴·(2/5)⁵·(3/5)⁷=(5³/6²)⁴·(2/5)⁵·(3/5)⁷=(5¹²/6⁸)·(2⁵/5⁵)·(3⁷/5⁷)=

=(5¹²·2⁵·3⁷)/(6⁸·5⁵·5⁷)=(2⁵·3⁷)/6⁸=2⁵·3⁷/2⁸·3⁸=1/2³·3=1/24