128=2⁷
2^2a x 2^2a=2⁷
2^(2a+2a)=2⁷
2^4a=2⁷
Therefore:
4a=7
a=7/4
a=1.75
Answer: a=1.75
To check
2²⁽⁷/⁴⁾ * 2²⁽⁷/⁴⁾ =2⁷/² * 2⁷/²=2¹⁴/²=2⁷=128
1/2 or .5
Because there is two tests happening and that is the denominator, and if the probability of only one working it was be 1/2
Answer:
5,000 / 1.35= 3,703.70 is last months profit
Step-by-step explanation:
I hope this helps :)
Answer:
Step-by-step explanation:
volume of sphere=4/3(π r^3)
Answer:
$8.6
Step-by-step explanation:
The total tax is 8 dollars and 60 cents
