Question

solve the following and express each answer in scientific notation.
(5.3*10^4)+(1.3*10^4)=
(7.2*10^-4)/(1.8*10^3=
10^4*10^-3*10^6=

Answer 1

do you know the rules of exponents?

Answer 2

no sadly

Answer 3

be lazy use a calculator :)

Answer 4

6.6x10^5

for fun :P but thats the right answer for the first one

Answer 5

4.0x10^-7 is the second

Answer 6

initially its 66 000, thus : 6.6x10^4 actually, oops :P