I have these four problem i need help with.
0.4 2/5 0.625 1/8 1/10 - Answer is 5
0.7 0.9 1/10 0.3 10 - Answer is 0.1
2/9 3/4 1/8 7 1 4 - Answer is 1/3
3/8 1/2 1/6 9 8 10 - Answer is 2/5
To do these we need to use order of operations in order to get answer.
You can cannot move the numbers around and can't add/remove any.
I tried and having hard time. please help. I will really appreciate.
Thanks
Here's the first two :
0.4 - 2/5 + 0.625 - 1/8 / (1/10)
[2/5 - 2/5 + 5/8 - 1/8] / (1/10)
[ 0 + 4/8 ] / ( 1/10)
[ 1/2] / [ 1/10 ] = 5
0.7 0.9 1/10 0.3 10
[ 0.7 * (0.9 + 0.1) + 0.3] / 10
[ 0.7 * ( 1) + 0.3] / 10
[ 0.7 + 0.3] / 10
[ 1] / 10 = 0 .1