Question

Write each of the following in decimals form:
(i) $40+6+\frac{7}{10}+\frac{9}{100}$
(ii) $500+70+8+\frac{3}{10}+\frac{1}{100}+\frac{6}{1000}$
(iii) $700+30+1+\frac{8}{10}+\frac{4}{100}$
(iv) $600+5+\frac{7}{100}+\frac{9}{1000}$
(v) $800+5+\frac{8}{10}+\frac{6}{1000}$
(vi) $30+9+\frac{4}{100}+\frac{8}{1000}$

Answer 1

(i) $40+6+\frac{7}{10}+\frac{9}{100}$ = 46 + 0.7 + .09 = 46.79

(ii) $500+70+8+\frac{3}{10}+\frac{1}{100}+\frac{6}{1000}$ = 578 + 0.3 + 0.01 + 0.006 = 578.316

(iii) $700+30+1+\frac{8}{10}+\frac{4}{100}$ = 731 + 0.8 + 0.04 = 731.84

(iv) $600+5+\frac{7}{100}+\frac{9}{1000}$ = 605 + 0.07 + 0.009 = 605.079

(v) $800+5+\frac{8}{10}+\frac{6}{1000}$ = 805 + 0.8 + 0.006 = 805.806

(vi) $30+9+\frac{4}{100}+\frac{8}{1000}$ = 39 + 0.04 + 0.008 = 39.048