Answer:
(a) 
(b) 
Step-by-step explanation:
It is given that 
(a) We have given equation 



(b) 



There are two of them:
1). (n * a) means n + n + n + n + n + n + n + . . . 'a' times.
2). (n * a) also means a + a + a + a + a + a + a + a + . . . 'n' times.
Answer: 10 and 11
Step-by-step explanation:
√117 = 10.81 -> between 10 and 11
Hope this helps you!!!
<span>|5x + 10| = 10.............</span>
Potential energy on the ground to kinetic energy climbing the rope to gravitational potential energy at the top of the rope