7.3 x 10^7 + 1.8 x 10^7.

Answer 1

7.3 x 10^7 + 1.8 x 10^7 can be calculated by adding the numbers together and keeping the power of 10 the same:

(7.3 + 1.8) x 10^7 = 9.1 x 10^7

So, 7.3 x 10^7 + 1.8 x 10^7 equals 9.1 x 10^7.

Answer 2

7.3 x 10^7

Answer 3

7.3 x 10^7 is already in simplified scientific notation form. It represents 73,000,000.

Answer 4

1.8 x 10^7.

Answer 5

1.8 x 10^7 is also already in simplified scientific notation form. It represents 18,000,000.

Answer 6

73,000,000 + 18,000,000

Answer 7

73,000,000 + 18,000,000 equals 91,000,000.