What is( 5×100)+(6x10)+(8×1/10)+(9×1/1,000) in standard form

The length of the largest fish is 967.74 times greater than the length of the smallest fish. select a variable expression that shows the length of the largest fish, if 8 is the length of the smallest fish. a. s + 967.74 b. \[ \frac{967.74}{s} \] c. 967.74 - s d. 967. 74s

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Extra points! find the missing dimension! need asap