Question

Simplify and express answer in exponential form :

(a) ( 3- 2 )7 X 33 X 37



(b) Write 243.570000 in standard form​

Answer 1

Answer:

(a) 7×1221= 8547

(b) 2.4357 × 10²

Step-by-step explanation:

answer a- first we minus 3-2 and multiply with seven .

in second case we take a number wich is present in 33and 37 that is 30 so remain will be 3×7 so taking the identity (x+a) ×( x+b) = x² +(a+b) x+ (ab) sow multipying the answer will be - 1221 .

now multipy with 7 by1221.

sow the answer is 8547.

b- the no are in not in decimal theere 2 no so the power will be 2 and solution will be 2.4357×10² and 57 is in decimal so that will be not in power because they have power