Question

Write this number in standard form.
1 x 1 + 8 x 1/100 + 9 x 1/1000

Answer 1

we have
1*1+ 8*1/100+9*1000
this can be written as
\[1+ 8*0.01+9*0.001\]
or
\[1+0.08+0.009\]
we get
1.089

Answer 2

thank you!

Answer 3

answer: 1*1 plus 8*1 / 100 plus 9*1000

or you can just put as
1 + 0.08 + 0.009

and the results are:
1.089