You take 67.8/100×15
10.17
then take 15-10.17 the answer will be the wrongs u got
=4.83
Set up proportion 170/180=x/1 than cross multiply 170x=180 divide both sides by 170 answer 0.944 so 94% remains
19 is the answer since 2 to the 2nd power is 4 5×4=20 -1 to the 2nd power is -1
20-1=19
Answer: The constant of proportionality is 5 because the equation would be y=kx but instead of k it has 5.
Since the exponents is positive, move the decimal 7 places to the right, thus giving you 12090000
