How do you write and simplify #2.5 times 10^4+ 3.75times 10^5# in scientific notation? Algebra Exponents and Exponential Functions Scientific Notation 1 Answer David Drayer Aug 13, 2017 # 4.00 xx 10^5 # Explanation: # 3.75 xx 10^5 # = 375000 # 2.5 xx 10^4 # = 25000 adding this gives # 400000 = 4.00 xx 10^5# 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 1537 views around the world You can reuse this answer Creative Commons License