Answer:
Using Pythagorean theory : a²+9²=15²
=> a²=225-81=144
=> a = √144 = 12
Step-by-step explanation:
Q is negative two thirds which is written as -2/3
9.2x10^-8
Move the decimal to the right 8 times. Since it is moved to the right, the exponent is negative.
Answer:
30
Step-by-step explanation: