The combined volume of all the tanks at an aquarium is 1.25 x 106 gallons. the aquarium plans to install a new dolphin tank with a volume of 250,000 gallons. what will be the total volume of all of the tanks at the aquarium after the new dolphin tank is installed?

1. The combined volume of all the tanks at the aquarium is written in Scientific notation. Keeping this on mind, you can write it as following:

2. Now, you must sum the combined volume of all the tanks and the volume of  the new tank to calculate the total volume of all of them:

3. Now, you can write the result in Scientific notation, as following:

The answer is:

d. millimeters per hour.

step-by-step explanation:

we are given that,

carlo used a rain gauge to measure the amount of water his lawn is receiving from the sprinklers.

since, according to the options, we see that,

water cannot be measured by 'miles per hour', 'meters per second' and 'grams per seconds'.

we get that, the water can be measured by 'millimeters per hour'.

hence, the appropriate rate for describing the amount of water is 'millimeters per hour'.

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step-by-step explanation: