Question

please give me perfect answer​

Answer 1

Answer:

III (c)  m=6

Step-by-step explanation:

III (c)

3^m / 3^-2=3^8

3^(m+2)=3^8

m+2=8

m=8-2

=6

Answer 2

$(1) 0.000000273 = 2.73 \times {10}^{ - 7} \\ (2) 18280000 = 1.828 \times {10}^{7 } \\ (3) 0.0000021 = 2.1 \times {10}^{ - 6}$