100.
10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 = 100
4 10s equal 10+10+10+10 6 10s equal 10+10+10+10+10+10
Ten 10s = 10 x 10 = 100
10 dimes = 1 dollar
50
There are 10 of them.
7/10 of a dollar + 2 dollars = 2 dollars and 70 cents or $2.70.
10
base 10 block
5000 ÷ 10 = 500
14 x 10 in 140
There are 37 full 10s and there is 8 left over. 37 x 10 = 370. 370 + 8 = 378.
Sadly, the phrase "10s to 76w longitude" is quite meaningless.-- As soon as you say "10s" or "10 south", that's the latitude.-- 10s/76w is the latitude and longitude of a point. The point isin central Peru, about 165 miles northeast of the center of Lima.