To calculate this expression, we can break it down step by step:
7.8 1.3 = 10.147.8 1.5 = 11.77.2 * 7.8 = 56.16
Now we add the results together:
10.14 + 11.7 + 56.16 = 78
Therefore, 7.8 1.3 + 7.8 1.5 + 7.2 * 7.8 equals 78.
To calculate this expression, we can break it down step by step:
7.8 1.3 = 10.14
7.8 1.5 = 11.7
7.2 * 7.8 = 56.16
Now we add the results together:
10.14 + 11.7 + 56.16 = 78
Therefore, 7.8 1.3 + 7.8 1.5 + 7.2 * 7.8 equals 78.