Aculture of 1.08×1015 bacteria is in petri dish a. a culture of 2.7×1011 bacteria is in petri dish b. how many times greater is the number of bacteria in petri dish a than petri dish b? explain how do this without having to type a million zeroes! ?

4 * 10^3  or 4000

Step-by-step explanation:

A = 1.08 * 10 ^ 15

B = 2.7 * 10 ^ 11

we want to divide them

1.08 * 10 ^ 15

2.7 * 10 ^ 11

when we divide  scientific notation, we divide the numbers, and subtract the exponents

(1.08/2.7) * 10 ^ (15-11)

.4 * 10 ^4

but this is not correct scientific notation because we need 1 number before the decimal

since we have to move the decimal 1 place to the right, we decrease the exponent 1 place

4 * 10 ^ (4-1)

4 * 10^3

this is 4 with 3 zero's

4000

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.