70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
The answer is 560. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.
34/80 = 17/40
(3x2) +27 +++34 = 6+27+34= 67 []
The result of the equation - 130 plus 80 plus 10 plus 80, is found as follows;130 + 80 + 10 + 80= ( 130 + 80 ) + 10 + 80= 210 + ( 10 + 80 )= 210 + 90= 300Answer = 300
80+30
34 percent of 80 is 27.2
80 and 30 are easy to add to they would work
34/80=42.5%
34 percent of 80 is 27.2
70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
24+24+34+34 = 116
Selenium has an atomic number of 34, which means it has 34 protons. To find the number of neutrons in selenium-80, subtract the atomic number (34) from the isotope number (80). Therefore, selenium-80 would have 46 neutrons (80 - 34).
78 + 34 is 112, which is an integer, not a fraction.
ninety 4 + 6 = 10 30 + 50 = 80 10 + 80 = 90 or 56 + 4 = 60 60 + 30 = 90 same as 34 + 6 = 40 40 + 50 = 90
92
80