What will be the exponent of the common factor when finding the sum of 4.15 x 10^-3 and 5.28 x 10^6?

Can some one explain this i got sent this. is this a threat i’m scared

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

Fill in the table with whole numbers to make 430 in five different ways