I think that the answer is A because you are being asked for the tens place. Since you are looking to identify the place value, choice B and C are automatically eliminated because each place value increases by multiplying by ten. 20 and 60 are not multiples of 10. To identify the tens place, you would have to multiply by ten. I thought of this question in the sense of scientific notations.
-- #34 is choice-C .
-- See the picture attached to this answer, for both solutions.
Answer:
8
Step-by-step explanation:
It would take you about 13.3 hours to read 20 pages
