Answer:
3^5 is 3*3*3*3*3
Which is 9*3*3*3 = 27*3*3 = 81*3 =243
3* -3 = -9
243*-9 = -2187
Step-by-step explanation:
3^5. 3^-1
=3^5+(-1)
=3^5-1
=3^4
=3^2 . 3^2
=9 . 9
=81
1 miles= 1.609km
so, 25x1.609 = 40.225km
Sorry i don't know......!!!!!!!
