19.777g - 1.47g = 18.307g (to 3 significant digits)
3.90g + 1.2g = 5.10g (to 3 significant digits)
1.670g - 0.6g = 1.07g (to 3 significant digits)
Add or subtract the following measurement be sure each answer you enter contains the correct number of significant digits
19.777g-1.47g=?g
3.90g+1.2g=?g
1.670g-0.6g=?g
1 answer