Question

What is the sum of 0.81 x 10^-2 and 0.9 x 10^-3​

Answer 1

Answer:

0.009

Step-by-step explanation:

(0.81 x  $10^{-2}$ ) + ( 0.9 x $10^{-3}$)

81/100 x 1/100 + 9/10 x 1/1000

81/10000 + 9/10000

90/10000

9/1000

0.009 ... ANS