Question

Find the simplified form of the expression. Give your answer in scientific notation. please explain
(3 * 10^8)(9 * 10^7)

Answer 1

multiply the numbers out front
add the exponents

Answer 2

are u familiar with the doorkeeper method

Answer 3

i.e. \[3\times 9=27\\
10^8\times 10^7=10^{8+7}=10^{15}\]

Answer 4

no i am not

Answer 5

ohhh ok i get it haha thanx. :)

Answer 6

@Squeeks1713 be careful with your answer

Answer 7

i was asking @Squeeks1713 actually

Answer 8

no im not, sorry

Answer 9

it is not
\[27\times 10^{15}\] because that is not in scientific notation
it is the right number, but not in scientific notation because \(27>10\)

Answer 10

yeah i know, i was just saying to never heard of it, figured i would learn something

Answer 11

right i got that. haha thank you so much :)