(3.5x10^-5)(3x10^-10) express in scientific notation

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

How do u write a function for the reflection across the y axis