Answer:
6^-13
Step-by-step explanation:
The rule for multiplying numbers with the same base but different exponents is a^b*a^c=a^(b+c), so in this case we have 6^(-4+(-9)) which is 6^-13
Hope this helped!
Answer: There is 162 ml of first brand and 108 ml of second brand.
Step-by-step explanation:
Since we have given that
Percentage of vinegar that the first brand contains = 7%
Percentage of vinegar that the second brand contains = 12%
Percentage of vinegar in mixture = 9%
Total amount of dressing = 270 ml
We will use "Mixture and Allegation":
First brand Second brand
7% 12%
9%
--------------------------------------------------------
12%-9% : 9%-7%
3% : 2%
So, ratio of first brand to second brand in a mixture is 3:2.
So, Amount of first brand she should use is given by

Amount of second brand she should use is given by

Hence, there is 162 ml of first brand and 108 ml of second brand.
Answer:
See Explanation
Step-by-step explanation:
<em>This question requires options.</em>
<em>Since none is provided, I will give a general solution.</em>
<em></em>
We have: 0.034 and 3.40
Required
The relationship between them
3.40 can be expressed as:

This means that 3.40 is 100 of 0.034
Similarly, 0.034 can be expressed as:

This means that 0.034 is 1/100 of 3.40
Answer: the Second step is to divide 4 from each sides
Step-by-step explanation: