Answer:
7.5
Step-by-step explanation:
3/8 = x/20
3(20) = 8x
8x = 60
x = 60/8
x = 7.5
Answer:
2 x 10 to the -6th power is .000002.
1=81 centimetres
1=82 centimetres
2=83 centimetres
3=84 centimetres
1=85 centimetres
Answer:
160
Step-by-step explanation:
13² - 3² = 13 × 13 - 3 × 3 = 169 - 9 = 160
