Question

99 POINTS IDENTIFY AND EXPLAIN THE ERROR SHOW CORRECT WORK AND SOLUTION

Answer 1

7.14×10(to the 10th power)
+3.21×10(to the 10th power)
_______
10.35×10(to the power of 10)
10.35(move the decimal 1 to the left)
1.035×10(now to the power of 1)

Answer 2

You moved the decimal point but did not change the exponent of 10. Since you moved the decimal point another place to the left it should be
$1.035 \times {10}^{11}$