Hello, CSG18
By hand? . . . ack!I did a non-calculator past paper and I got to this answer:
. .
However, the answer given was simplified further (and worth an extra mark) to:
. .
How can I get to that answer by hand?
We have:.
Then: .
Hi,
I did a non-calculator past paper and I got to this answer:
25 ×(〖1/5)〗^9
however when I had checked the mark scheme the answer that was given was simplified further (and worth an extra mark) to:
1.28*10^-5
How can I get to that answer by hand?