Find the prime factorization of the number.645

A. 5 ? 5 ? 43
B. 3 ? 5 ? 43
C. 3 ? 3 ? 43
D. 15 ? 43

Answer: B

Mathematics

You might also like to view...

Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges. +  +  + ... +  + ...

A. ; 2
B. ; 4
C. ; 4
D. ; 2

View
Mathematics

Convert 0.8 dm to centimeters.__________ cm

Fill in the blank(s) with the appropriate word(s).

View
Mathematics

Express the vector as a product of its length and direction.12i - 4j - 18k

A. 22(i - j - k)
B. 22
C. 22
D. 22

View
Mathematics

Establish the identity.csc  = sec u

What will be an ideal response?

View
Mathematics