Question

4.3 × 107 + 9.1 × 108 = _____ x 10 ^----
please help

Answer 1

This is the right answer, I think you may have forgotten to put the ^.

Answer:

9.53 × 108

Explanation:

Make sure both numbers have the same exponent

4.3 × 107 = 0.43 × 108

Then add the coefficients

0.43 × 108 + 9.1 × 108 = 9.53 × 108

Answer 2

1442.9 = 1.4429 x 10 ^1000

Explanation:

PEMDAS

4.3 × 107 + 9.1 × 108 = _____ x 10 ^----

(4.3 × 107) + (9.1 × 108) = _____ x 10 ^---

460.1 + 982.8 = _____ x 10 ^----

1442.9 = 1.4429 x 10 ^1000