Answer:
The answer is option 3.
Step-by-step explanation:
You have to substitute H+=2×10^(-9) into the equation of pH :
pH = -log[H+]
H+ = 2×10^(-9)
pH = -log[2×10^-9]
= 8.70 (3s.f)
Answer:
The ratios is 10:12 and if you were to write it in a fraction you get 10/12 which is simplified as 5/6
Step-by-step explanation:
The answer is 9
mark brainliest
Answer:
$6488.19
Step-by-step explanation:
To solve this problem we use the compounded interest formula:
a = $2600(1+(0.0675/1))¹*¹⁴
a = $6488.19
The 3-digit number is 132
<h3>How to determine the
3-digit number?</h3>
The given parameters are:
- Number of digits = 3
- Sum of digits = 6
- No 0s in the number
- No repeated digit
The first highlight above implies that the number can be any of 100 to 999
The other highlights imply that the no digit can appear repeatedly, the highest digit in the number is 3, and the number must end with 2.
So, we have:
X32
The first digit is the smallest.
1 is smaller than 3 and 2.
So, we have
132
Hence, the 3-digit number is 132
Read more about digits and numbers at:
brainly.com/question/26856218
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