C .............................
Answer:
20 degrees
Step-by-step explanation:
both triangles are co friend and 90+70=160 180+160=20
Answer:
42 is itself it's highest common factor
Answer:
13000
Step-by-step explanation:
If you go 4 steps forward at first, it is 13. Add three zeros and then it is at 10^4 and 13000
One zero added is one power in scientific notation
