For the use scientific notation (I. e.5e4) no spaces and correct significant digits 125840= 1.2584x10^5
How would I write this with correct number of sig figs? And correct sci notation?

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Given abcd ac=38 and ae=3x+4 find the value of x

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2