Answer:
45*10^10
Step-by-step explanation:
5*9*10^3*10^7=45*10^(3+7)=45*10^10
cause a ^m*a^n=a^(m+n)
Answer:
it should be 450 yards
Step-by-step explanation:
A= a+b/
2
h=27+18/
2·20= 450
Answer:
5x-1
Step-by-step explanation:
8x-3(x+1)-4
{open the brackets}3x-3
8x-3x-3-4
5x+(-7), which is 5x-7
Actually i was going to ask you the same question
Answer:
Step-by-step explanation:
(Pythagorean theorem)
(30-60-90 triangle)
(angle subtraction)
(base angles theorem)
(30-60-90 triangle)
(angle subtraction)