Give examples of standard form for jss2

Here are examples for JSS2 level:

1. Large Numbers:

   • 1,000,000 can be written as 1 × 10⁶.
   • 5,000,000,000 can be written as 5 × 10⁹.
   • 34,000 can be written as 3.4 × 10⁴.

2. Small Numbers:

   • 0.001 can be written as 1 × 10⁻³.
   • 0.000000007 can be written as 7 × 10⁻⁹.
   • 0.00025 can be written as 2.5 × 10⁻⁴.

In standard form, a number is written as a single digit (from 1 to 9) multiplied by a power of 10.