a mockingbird flaps its wings about fifty thousand four hundred times in an hour round this number to the nearest thousand.

It would be 50,000

Step-by-step explanation: If it was 50,500 - 50,999 it would be : 51,000

Hope it helped out :)

there is no diagram : |

step-by-step explanation:

for this case we have the following expression:

to solve, we rewrite the expression as:

we apply double c and we have:

thus, the quotient is 48.

so, patel found a wrong ratio and the multiplication was incorrect.

option d