Tens refers to the unit 10,
This means that 45 10s is equal to:
45*10 = 450
Hope this helps! :)
Answer:
Step-by-step explanation: 3 x 100 + 4 x 10 + 5 x 1 Standard form is the reverse ...
A = 57
45 + 12 = 57
57 - (-12) = 45
V = 18 x 8 x 12 = 1728 cm3 = 1728 ml = 1.729 liters