write 1.4times 10 to the eighth power in standard notation

140,000,000

Write 4times 105 in standard notation

To write 1.4 times 10 to the eighth power in standard notation, you need to multiply 1.4 by 10 raised to the power of 8. Here's how you can calculate it step by step:

1. Multiply the number 1.4 by 10.
1.4 * 10 = 14

2. Raise the result (14) to the power of 8.
14^8 ≈ 6,191,736,422,400

So, 1.4 times 10 to the eighth power in standard notation is approximately 6,191,736,422,400.