Question

A city has two water towers. One tower holds 7.35×105
gallons of water. The other holds 9.78×105
gallons of water. What is the combined water capacity in Scientific Notation?(1 point)
Responses

1.713×106
1 point 7 1 3 times 10 to the 6th power

2.43×105
2 point 4 3 times 10 to the 5th power

7.1883×1026
7 point 1 8 8 3 times 10 to the 26th power

7.1883×1011

Answer 1

Add the coefficients (same exponent 10^5): 7.35×10^5 + 9.78×10^5 = (7.35 + 9.78)×10^5 = 17.13×10^5 = 1.713×10^6.

Answer: 1.713×10^6 (choice 1).