Answer:
9.6 x 10^7
Step-by-step explanation:
Atlantic Ocean = 3.2 x 10^7 = 32,000,000 square miles.
Pacific Ocean = 6.4 x 10^7 = 64,000,000 square miles.
Together they cover 96000000 square miles. Turn it back into standard form(scientific notation). 9.6 x 10^7.
Answer:
1680
Step-by-step explanation:
We are find the permutations of 8 permute 4
8!/(8-4)!= where ! means factorial
8!/ 4!
8*7*6*5*4*3*2*1
-------------------------
4*3*2*1
Canceling the 4,3,2,1
We are left with
8*7*6*5
---------------
1
1680