Question

8∙100+4∙10+7∙ 1/100+3*1/1000 in standard form

Answer 1

8*100 = 800

4*10 = 40

1/100 = 0.01

3(1 / 1000) = 0.003

(Add them together)

800 + 40 + 0.01 + 0.003 = 840.013