How many millimeters are in 1.3 kilometers? Prealgebra Intro to Prealgebra What is prealgebra? 1 Answer Shwetank Mauria Mar 11, 2018 #1.3# kilometers has #1,300,000# millimeters. Explanation: #1# kilometers has #1000# meters and each meter has #1000# millimeters. therefore #1# kilometer has #1000xx1000=1,000,000# millimeters. and #1.3# kilometers has #1.3xx1,000,000=1,300,000# millimeters. Answer link Related questions How do you evaluate the expression #3x+2y+4+9y# if #x=8#, #y=4#? How do you simplify #-2[7.5 + (-7.9)]# using order of operations? How do you simplify #7+9times3-25 # using order of operations? How do you simplify #5+ 7(8 รท 4 ) + 6 # using PEMDAS? What is Pre-algebra? Is Pre-Algebra important? How do you write the algebraic expression: the quotient of 15 and y? How do you write 63/40 as a decimal? How do you simplify #3/12 - 1/8#? How do you write #2/5# as decimal? See all questions in What is prealgebra? Impact of this question 3463 views around the world You can reuse this answer Creative Commons License