Answer:
Step-by-step explanation:
Proper scientific notation means that there is only 1 number to the left of a decimal and everything else to the right of it. Also, because the number is initially less than 1, the exponent will be a negative one. We have to move the decimal 4 places to the right in order to get the 6 to the left of it, so in correct scientific notation format, we have

Answer:
y= 7703.5
Step-by-step explanation:
multiply 7100 by 1.085
65754.6 because the 9 in the hundreds place bumps up the five in the tenths