Answer:
9 + 10 +x= 21
x=21-19
x=2
add 2 in left hand side to get 21
Answer:
a) 2,350,000,000
b) 25,000,000
c) B
Step-by-step explanation:
a) 2350 X 1,000,000 = 2,350,000,000
b) 25 X 10^6 = 25,000,000
c) sqrt(90000) =300
Answer: Which question?
Step-by-step explanation: