Question

Work out

(
2
×
10
8
)
−
(
3
×
10
6
)
Give your answer in standard form.

Answer 1

`- 1.02 * 10 {}^(2)`

Step by step:

Use bidmass to work out the brackets

(2×108) = 216

(3×106) =318

216-318=-102

Then put into standard form.