The rule for multiplying similar bases with different exponents is:
(a^b)*(a^c)=a^(b+c) so
6k^11
21,45,6
21=3*7
45=3*3*5
6=3*2
LCM= 3*3*7*5*2
LCM=630
Answer:
His time would be least likely greater than 27.9 minutes or smaller than 21.5 minutes.
Step-by-step explanation:
With an standard deviation of 3.2 minutes, it is clear that the maximum time taken by Roman to complete his run of 3 miles would be
Average time + standard deviation = 24.7 minutes + 3.2 minutes = 27.9 minutes
The minimum time taken by Roman to complete his run of 3 miles would be
Average time - standard deviation = 24.7 minutes - 3.2 minutes = 21.5 minutes
Hence, his time would be least likely greater than 27.9 minutes or smaller than 21.5 minutes.
The entire figure could be taken as a trapezium
A=1/2h(a+b)
h=8, a=6 and b=10
A=1/2×8(6+10)
A=4×16
A=64sq Inch
From Maya's part time job, she earned $108.
From housesitting with no pets, she earned $90.
From housesitting with pets, she earned $200.
In total, Maya earned $398 last month,