Answer:
the answer is >. Im sorry if its wrong... fill free to delete this if it is.
Answer:
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Step-by-step explanation:
because 4.7*10^-3 is 0.0047 and 2^2=4
a#b=2a-b
1=2a-b
1=(2×3)-b
1=6-b
collect like terms
1-6=-b
-5=-b
divide both sides by1
5=b
:.b=5