<span>(2.2 × 1012) + (1.7 × 109) = 2411.7</span>
Answer:
a = 6
b = 7
Step-by-step explanation:
Since both 36 and 49 are perfect squares, you can find their square roots which are 6 and 7.
To check to see if it is correct, replace the a with 6 and replace the b with 7, then evaluate the exponents.
To solve this, just take $80 and subtract her amount of money she has now, which is 8. $80-$8=$72
She needs $72
A and E
Whole numbers and integers
