Question

I need an explanation written out for (0.345)(2.1)
Thank you

Answer 1

0.07245

Explanation:

Just work out 345*21 and then divide by 10,000 because 0.345 is 3 digits from zero and 2.1 has 1 digit from zero, so total of 4 zeroes (10,000 since 10,000 has 4 zeroes).

Answer 2

1449/2000 , 7.245 x 10^-1 = 0.7245