Answer: B
Step-by-step explanation:
 
        
             
        
        
        
EL ESPANOL DU NARDE ES SI YAS MIASDAS
        
             
        
        
        
Answer  70 = 7070
Step-by-step explanation: denotes how many times to multiply the base (70)
 
        
             
        
        
        
Answer:
1
Step-by-step explanation:
im not very confident about this answer but it should work