The value of a would be 3.5, as a=1 when b=10 means that a is worth 1/10 of b's value.
(b⁷/4⁵)⁻³
= (4⁵/b⁷)³
= 4¹⁵/b²¹
Therefore answer is option b
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29.8 would be the number, but rounded would be 30
Answer choice D, A,B, and C both equal 3.
Answer:the first one will be easy u need to move decimal up and u will get 0.0984375
the second one is 0.12
i hope this helps ! have great day :)
Step-by-step explanation:
