1st = -5*2^(1-1) = -5*2^0 = -5*1 = -5
4th = -5 *2^(4-1) = -5*2^3 = -5 *8 = -40
8th = -5*2^(8-1) = -5 *2^7 = -5 *128 = -640
Answer is 1st choice
Answer:
i need help please with my maths
Step-by-step explanation:
S x 10. S stands for the packages of sponges, and 10 stands for the number of sponges in each package. I hope this helps!
Answer:
x = 8
Step-by-step explanation:
log₅ (10x − 1) = log₅ (9x + 7)
10x − 1 = 9x + 7
x = 8
Answer:2+2x7
Step-by-step explanation:
