Which of these is correct?(1 point)

Responses

(8.8×108)(4.2×107)=13×1015
open paren 8 point 8 times 10 to the 8th power close paren times open paren 4 point 2 times 10 to the 7th power close paren is equal to 13 times 10 to the 15th power

(9.9×107)(5.8×106)=5.72×1013
open paren 9 point 9 times 10 to the 7th power close paren times open paren 5 point 8 times 10 to the 6th power close paren is equal to 5 point 7 2 times 10 to the 13th power

(2.9×108)(1.3×107)=3.77×1015
open paren 2 point 9 times 10 to the 8th power close paren times open paren 1 point 3 times 10 to the 7th power close paren is equal to 3 point 7 7 times 10 to the 15th power

(4.6×105)(2.1×104)=2.5×10

4

open paren 4 point 6 times 10 to the 5th power close paren times open paren 2 point 1 times 10 to the 4th power close paren is equal to 2 point 5 times 10

How many times larger is 9×10−8

than 3×10−12
?(1 point)
Responses

6×10−4
6 times 10 to the negative 4 power

3×104
3 times 10 to the 4th power

6×10−3
6 times 10 to the negative 3 power

3×103

6×10−4

6 times 10 to the negative 4 power