Str 41, 42, 43, 44 matematyka zeszyt ćwiczeń brainy​

i think asking google will you get the answer to that question

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870