`a times(b+c)`=`a times b+a times c`

Evaluate a times a times c times c times c times c times d

Write the following in the exponential form: (a) b times b times b times...10 times. (b) y times y times...15 times (c) 9times a times a times a times b times b times b times b times b (d)8times x times x times y times y times y

Evaluate 13 times 13 times 13times a times a times a times a times a times b times b times b times b

Evaluate 8times b times b times b times a times a times a times a

In the past 2000 million years, continents have circled the earth (a) 40 times (b) 10 times (c) 4 times (d) 2 times

A non-immunized pregnant lady is given tetanus vaccination (a) Four times (b) Three times (c) Two times (d) Once

IF bar(a),bar(b),bar(c ) are vectors from the origin to three points A,B,C show that bara times barb +barb times barc+barc times bara is perpendicular to the plane ABC.

Evaluate a^(7)times b^(7)times c^(-4)times c^(5)times d^(9)

Evaluate: a. 18 times (-3)" b. "(-6) times 40 " c. "(-451) times (-76)" d. " (-278) times (-87)

Prove that (vec B timesvec c)*[vec A times(vec B timesvec C)]=0