What is 3.868×10 9 in standard form??

3,868,000,000

Step-by-step explanation:

10^9 = 1,000,000,000

1,000,000,000 x 3.868 = 3,868,000,000

hope i helped

(n^3 - n)

= n(n-1)(n+1)

since it is divisible by 3 and 2 ,because it is a multiple 3 consecutive number

if, n-1 is odd then n+1 is also odd, then it is a multiple of 9

but if, n-1 is even then n+1 is also even, then it is a multiple of 4

so, largest multiple = max(9*2, 4*3) = max(18, 12) = 18