Question

tell me the answer please​

Answer 1

Answer:

firstly divide no. /no.

hope this is helpful for you

Answer 2

$129 \times {10}^{ - 7} = 12.9 \times {10}^{ - 6} \\ 12.9 > 7 \\ 12.9 \times {10}^{ - 6} > 7 \times {10}^{ - 6}$