The same as 10 sixtyeights; 680
HOW MUCH IS 10 TENS
18 tens = 180
24 tens = 24 × 10 = 240.
660
800
82 tens =82 × 10 = 820
22 tens is 220, fifty less than 270
420
620
Ninety tens is equal to 900. This is calculated by multiplying 90 by 10, which results in 900.
Forty tens is equal to 400. This is calculated by multiplying 40 by 10, which gives you 400.
Thirty tens is equal to 300. This is calculated by multiplying 30 by 10, which yields 300.