What is 5 times 10 to the sixth power times 5 times 10 to the seventh power in scientific notation

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?