Answer:
Step-by-step explanation:
(4b^2+3)(4b^2-3)
since it is the expanded form of formula a^2-b^2=(a+b)(a-b) we can write,
=(4b^2)^2-(3)^3
=16b^4-9
(3.78x109)<span>÷14,000
=0.02943
= 2.943 x 10^-2</span>
Answer:
b
Step-by-step explanation:
step by step explanation I'm probly wrong
Answer:
52min
Step-by-step explanation:
5 people..............5 walls............52 min
1 people...............5 walls...........52 x 5=260 min
1 people................20 walls.........260 x 4 =1040 min
20 people................20 walls........1040:20=52 min
6 / (2/5) = 15
It should take the nail 15 minutes to crawl 6 meters.
