The number `4, 70 , 394` is standard from is written as (a)4.70394`xx10^5` (b) 4.70394`xx10^4` (c)47.0394`xx10^4` (d) 4703.94`xx10^2`

The number 4, 70 , 394 in standard from is written as (a)4.70394 xx10^5 (b) 4.70394 xx10^4 (c)47.0394 xx10^4 (d) 4703.94 xx10^2

The number 2.35 xx10^4 in the usual from is written as (a) 2. 35xx10^3 (b) 23500 (c)2350000 (d) 235xx10^4

The number 2.35 xx10^4 in the usual from is written as (a) 2. 35xx10^3 (b) 23500 (c)2350000 (d) 235xx10^4

0.5xx10^(-4)xx0.3xx10^(-3)xx10

Write (a) 9.87 xx 10^(9), (b) 4.134 xx 10^(-4) and (c) 1.432 xx 10^(-9) in decimal form.

A beer has a pH of 4.30. What is the [H_(3)O^(+)] ? (a) 3.0xx10^(-4) (b) 2.0xx10^(-4) (c) 2.0xx10^(5) (d) 5.0xx10^(-5)

3xx10^(5) + 4xx10^(3) + 7xx10^(2) + 5 is equal to

Find the number from each of the following expanded forms :(a) 8xx10^(4)+6xx10^(3)+0xx10^(2)+4xx10^(1)+5xx10^(0) (b) 4xx10^(5)+5xx10^(3)+3xx10^(2)+2xx10^(0)(c)3xx10^(4)+7xx10^(2)+5xx10^(0)