Answer:
468
Step-by-step explanation:
=13[42-6]
=13 (36)
=13×36
=468
The range of communication is about 55 meters.
From what i see, i guess the answer may be B. it looks like it, but i dont really know.
Answer:
1 tens 3 ones
Step-by-step explanation:
All you do is count the numbers in the place value chart.
Since 31-18=13, all you do is count 10+1+1+1=13.