Answer:
11,200
Step-by-step explanation:
Given that the lcm of a and b is 40 then a and b are factors of 40. All the multiples of 40 as sets are 1 and 40, 2 and 20, 4 and 10, 5 and 8. Of all these, only 5 and 8 would give a lcm of 40.
Let a = 5 and b = 8 as such,
7 a^2 = 7 * 5^2 = 175
7b^2 = 7 * 8^2 = 448
Then the lcm of 7 a^2 and 7b^2
= 11,200
Answer:
It's not enough information. What's the question?
Step-by-step explanation:
Answer:
<em>122.46 cm² </em>
Step-by-step explanation:
A = 
~~~~~~~~~
= 8 cm
= 5 cm
A = 3.14 ( 8² - 5² ) ≈ <em>122.46 cm²</em>
The rule for quotients of similar bases with different exponents is:
(a^c)/(a^b)=a^(c-b) in this case:
15^18/(15^3)=15^15
Answer:
120 units
Step-by-step explanation:
