The value of a is 12
Step-by-step explanation:
Here we have , Lake mead contains approximately 28,945,000 acre feet of water and there are about 326,099 gallons in 1 acre foot . We need to find that the approximate number of gallons of water in lake mead is [tex]9.4 \times 10^a[/tex] what is the value of a . Let's find out :
We have, 1 acre foot = 326,099 gallons
So , 28,945,000 acre feet = 326,099 gallons ( 28,945,00 )
⇒ [tex]326,099 (28,945,000 )[/tex]
⇒ [tex]9.4389356e+12[/tex]
⇒ [tex]9.4(10^{12})[/tex]
Therefore , comparing this [tex]9.4(10^{12})[/tex] with [tex]9.4 \times 10^a[/tex] we see that value of a = 12 .So , Value of a is 12 in number of gallons of water in lake mead [tex]9.4 \times 10^a[/tex].