Answer:
-3
Step-by-step explanation:
2 + 2 - 7
\ /
4 - 7
\ /
-3
M is smaller than km
1000m=1km
so divide by 1000
basically move decimal 3 places to left
put zero in front
0.0548km
Answer:
0.0001
Step-by-step explanation:
No. of possible 7 digit codes
= 10^7
= 10000000
Probability = 1000/10000000
= 1/10000 or 0.0001