What is the value of 3 in 8,531,980,112.45

30,000,000

Step-by-step explanation:

You are given the number 8,531,980,112.45.

Look at attached place value chart.

If we go to the left from decimal point, then we have

Digit 3 in the number  8,5 3 1,980,112.45 is on ten millions position, so the value of this digit is 30,000,000

the forst and 3rd

step-by-step explanation:

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'.