Question

Evaluate the following. Write your answer in scientific notation. (3 x 107)(6.1 x 103)
A. 18.3 x 1010
B. 18.3 x 1021
C. 1.83 x 1010
D. 1.83 x 1011

Answer 1

why you can't use wolfram youself?

Answer 2

A. 18.3 x 1010 = 18483 = 1.8483 x 10^4

Answer 3

http://www.wolframalpha.com/input/?i=%283+*+10%5E7%29%286.1+*+10%5E3%29+scientific+notation

Answer 4

cause it doesnt give the answer :/

Answer 5

thx Harkirat

Answer 6

look it does, you just need to write ^ for power

Answer 7

harkirat answer is wrong

Answer 8

Why Tomas????

Answer 9

where it says reslt its none of my answer choices

Answer 10

*result

Answer 11

how much r u writing?

Answer 12

B. 18.3 x 1021 = 18684.3 = 1.86843 x 10^4

Answer 13

because in scientific notation
\[a⋅10^n\]


a should be
\[0≤a<10\]

Answer 14

it's not B either

Answer 15

lisa look answer is here http://www.wolframalpha.com/input/?i=%283+*+10%5E7%29%286.1+*+10%5E3%29+scientific+notation

Answer 16

Tomas pls check on what scientific notation is........

Answer 17

check yourself http://en.wikipedia.org/wiki/Scientific_notation

Answer 18

Lisa, are A, B, C, D questions themselves or are they options for answers?????

Answer 19

In normalized scientific notation, the exponent b is chosen such that the absolute value of a remains at least one but less than ten (1 ≤ |a| < 10). Following these rules, 350 is always written as 3.5×102.

Answer 20

also wolframalpha gives same answer, so wolframalpha and wikipedia both are incorrect?

Answer 21

there the answer choices one of them is right

Answer 22

tomas how did u get the right one the second time?

Answer 23

\[3*6.1=18.3\]
\[10^7*10^3=10^{10}\]
\[18.3*10^{10}=1.83*10^{11}\]

Answer 24

ok

Answer 25

thx