Answer:
I believe that the answer you need is x=0.42
Step-by-step explanation:
Answer:
I would say A. 7.8 x 10^-5
Step-by-step explanation:
7.8 x 10^-5 can also be written as 7.8 times 10 to the negative fifth power or the exponent of negative five. But, if you solve it you would get 0.000078 as the real number.
Answer:
120
Step-by-step explanation:
80 represents the 2
Do 80 / 2 to get one 80 /2 = 40
So 1 would equal 40
Do 40 * 3 = 120 to get the three which represents the number of adults
A) 16, 17, 18, 19
B) 66, 77, 88, 99
C) 61, 71, 81, 91
D) 60, 70, 80, 90
48+ 36 = 84
84/4 = 21 groups
there are 21 groups of 4 balloons
so A!