Since the last digit is already decided, you only have to find the possible ways for a 6 digit phone number. For each individual digit, you have a possibility of 10. Since there are 10 numbers, the answer is
Answer:
a) 49.41
b) not quite sure
Step-by-step explanation:
sorry
Answer: He made 110 kilograms of 9.09% salt solution.
Step-by-step explanation:
Given: Mass of water= 100 kg
Mass of salt= 10 kg
Total mass of the solution: 100kg+10kg= 110 kg
The percent of salt in solution=
∴The percent of salt in solution
Therefore, He made 110 kilograms of 9.09% salt solution.
Answer:
Step-by-step explanation:
Complementary is 90.
90-34 is 56.