Question

which of the following is the smallest?
A. .38661
B. .38649
C..379999
d. .37999

Answer 1

Line them up as follows:

.3 8661
.3 8649
.3 79999
.3 7999

All have 3 in the tenths position so go to the hundredths place and compare.

Answer 2

.3 8 661
.3 8 649
.3 7 9999
.3 7 999

The 7s are smaller than the 8s so the smallest of them all is ....

Answer 3

.3 7 9 9 9 9 or
.3 7 9 9 9

Answer 4

Recall that .3 7 9 9 9 can be thought of as .3 7 9 9 9 0

Answer 5

.3 7 9 9 9 9
.3 7 9 9 9 0

The first digits to be different are the last 9 of the first number and the last 0 of the second number.

0 is less than 9.

So, which number is the smallest of all? @wwhitney94