To be pedantic, 1.5e8 carries additional information about accuracy: $150,000,000 ± $5,000,000. By contrast, 1.50e8 would be ten times as accurate, and so on.
Of course, accuracy is hardly relevant here.
Of course, accuracy is hardly relevant here.
Sorry, I don't usually try to be pedantic, but when the conversation is already about nitpicking, I think it's necessary.
Significant figures are precision, not accuracy. Accuracy is "being in the ballpark". Precision is "tight groups".
is a new value of pi to define.
I think I'll use 3
it's much simpler you see;
than 3.14159
But rivalry says "level-up score".
With competitive drive,
It's yet higher I strive.
The value I'll use shall be four.