1 answer:
Red blood cells are really small...
One number is BIG: 7.5×10^4 mm = 75,000 mm = 75 meters
The other number is really SMALL: 7.5×10^-4 = 0.00075 mm
The negative exponent moves the decimal left instead of right.
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Answer:
your answer should be 48 degrees
Yes it is. Also, a= 43 & b=43
