98 - x² = 0
x² = 98
x = ±√98
Lets factor 98
98 | 2
49 | 7
7 | 7
1
So, 98 = 2 . 7 . 7 = 2 . 7²
x = ±√2.7²
x = ±7√2
Answer:
15
Step-by-step explanation:
6/10=9/x
cross multiply
6x=9*10
6x=90
x=90/6x=15
He would have $4131 left from $5400 with a decrease with 23.5%
Answer:
B) Information about exponential notation
Step-by-step explanation:
The information on the page is about exponential notation, therefore option (B) is the most suitable.