Explanation

Comb use in Hair same way Brush use in tooth.

Explanation

An item that attracts a great deal of attention because of its superficial characteristics

Explanation

18800 / 470 / 20 = (18800 / 470) / 20 = 40 / 20 = 2

Explanation

 0.003

 0 .03

_________

0.00009

Explanation

Six scientists A, B, C, D, E, and F present a paper each at a one-day conference. Three of them will present their papers in the morning session before the lunch break whereas the other three will be presented in the afternoon session. The lectures have to be scheduled in such a way that they comply with the following restrictions.

• B should present his paper immediately before C's presentation; their presentations cannot be separated by the lunch break.
• D must be either the first or the last scientist to present his paper.

Question:

In case F and E are the fifth and sixth presenters respectively then which of the following must be true?

A) B is first in the order of presenters.

B) A is first in the order of presenters.

C) A is third in the order of presenters

D) A is fourth in the order of presenters.

Explanation

Explanation

.The square root of 1.44 can be written as (1.44)1/2. So

(1.44)1/2 = (1.2 × 1.2)1/2

(1.44)1/2 = [(1.2)2]1/2

(1.44)1/2 = (1.2)2/2

(1.44)1/2 = (1.2)1

Thus,

√1.44 = 1.2

Explanation

27 – 21 = √?  + 1

6 = √25 + 1

6 = 5 + 1

6 = 6

Explanation

We can write:   8 ÷ 2/10 = 8 x 10/2 = 40

Explanation

 6.334 * 10^4 I just wanted another set of eyes to check over my work. I did 10*10=100, then 100*10=1000, then 1000*10=10000 Then 10000*6.334=63340.