How do you add #6.3 x 10^4# and #7.6 x 10^4#? Algebra Exponents and Exponential Functions Scientific Notation 1 Answer Antoine Apr 1, 2015 Answer is # = 13.9xx10^4# #6.3xx10^4 + 7.6xx10^4 = (6.3 + 7.6)xx10^4# Right ? # = (13.9)xx10^4# # = 13.9xx10^4# in standard from of course Answer link Related questions How do you convert standard form to scientific notation? What is Scientific Notation? What are examples of scientific notation used in real life? How do you write numerical values of expressions written in scientific notation? When is the exponent in scientific notation negative? How do you write the numerical value of #1.75 \times 10^{-3}#? How do you write #0.000000027# in scientific notation? How do you write 12 in scientific notation? How do you multiply #(5×10^2)(7×10^5)#? How do you write 0.0000000000001 in scientific notation? See all questions in Scientific Notation Impact of this question 1652 views around the world You can reuse this answer Creative Commons License